Home / 1,008,935,384.70-1,513,403,077.05-619,495,419.90

Finding the Fourth Proportional to 1,008,935,384.70, 1,513,403,077.05 and 619,495,419.90

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Solution

The fourth proportional to 1,008,935,384.70, 1,513,403,077.05 and 619,495,419.90 is: 929,243,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,935,384.70 : 1,513,403,077.05 = 619,495,419.90 : x
  2. Step 2: Convert to fraction form
    1,008,935,384.70/1,513,403,077.05 = 619,495,419.90/x
  3. Step 3: Cross multiply
    1,008,935,384.70x = 1,513,403,077.05 × 619,495,419.90
  4. Step 4: Simplify right side
    1,008,935,384.70x = 937,546,274,695,041,792
  5. Step 5: Solve for x
    x = 937,546,274,695,041,792/1,008,935,384.70
  6. Step 6: Final answer
    x = 929,243,129.85

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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.