Home / 1,076,890,224.16-1,486,213,428.72-636,998,793.76

Finding the Fourth Proportional to 1,076,890,224.16, 1,486,213,428.72 and 636,998,793.76

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Solution

The fourth proportional to 1,076,890,224.16, 1,486,213,428.72 and 636,998,793.76 is: 879,120,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,890,224.16 : 1,486,213,428.72 = 636,998,793.76 : x
  2. Step 2: Convert to fraction form
    1,076,890,224.16/1,486,213,428.72 = 636,998,793.76/x
  3. Step 3: Cross multiply
    1,076,890,224.16x = 1,486,213,428.72 × 636,998,793.76
  4. Step 4: Simplify right side
    1,076,890,224.16x = 946,716,161,364,553,728
  5. Step 5: Solve for x
    x = 946,716,161,364,553,728/1,076,890,224.16
  6. Step 6: Final answer
    x = 879,120,396.98

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,076,890,225.16, 1,486,213,430.10 and 636,998,794.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.