Home / 1,978,019,810.30-2,967,029,715.45-504,156,770.30

Finding the Fourth Proportional to 1,978,019,810.30, 2,967,029,715.45 and 504,156,770.30

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Solution

The fourth proportional to 1,978,019,810.30, 2,967,029,715.45 and 504,156,770.30 is: 756,235,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,019,810.30 : 2,967,029,715.45 = 504,156,770.30 : x
  2. Step 2: Convert to fraction form
    1,978,019,810.30/2,967,029,715.45 = 504,156,770.30/x
  3. Step 3: Cross multiply
    1,978,019,810.30x = 2,967,029,715.45 × 504,156,770.30
  4. Step 4: Simplify right side
    1,978,019,810.30x = 1,495,848,118,725,400,064
  5. Step 5: Solve for x
    x = 1,495,848,118,725,400,064/1,978,019,810.30
  6. Step 6: Final answer
    x = 756,235,155.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.