Home / 1,020,784,504.20-1,531,176,756.30-850,723,384.20

Finding the Fourth Proportional to 1,020,784,504.20, 1,531,176,756.30 and 850,723,384.20

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Solution

The fourth proportional to 1,020,784,504.20, 1,531,176,756.30 and 850,723,384.20 is: 1,276,085,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,784,504.20 : 1,531,176,756.30 = 850,723,384.20 : x
  2. Step 2: Convert to fraction form
    1,020,784,504.20/1,531,176,756.30 = 850,723,384.20/x
  3. Step 3: Cross multiply
    1,020,784,504.20x = 1,531,176,756.30 × 850,723,384.20
  4. Step 4: Simplify right side
    1,020,784,504.20x = 1,302,607,871,927,914,752
  5. Step 5: Solve for x
    x = 1,302,607,871,927,914,752/1,020,784,504.20
  6. Step 6: Final answer
    x = 1,276,085,076.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.