Home / 561,696,209.10-840,902,022.45-400,453,073.10

Finding the Fourth Proportional to 561,696,209.10, 840,902,022.45 and 400,453,073.10

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Solution

The fourth proportional to 561,696,209.10, 840,902,022.45 and 400,453,073.10 is: 599,508,762.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,696,209.10 : 840,902,022.45 = 400,453,073.10 : x
  2. Step 2: Convert to fraction form
    561,696,209.10/840,902,022.45 = 400,453,073.10/x
  3. Step 3: Cross multiply
    561,696,209.10x = 840,902,022.45 × 400,453,073.10
  4. Step 4: Simplify right side
    561,696,209.10x = 336,741,799,066,107,712
  5. Step 5: Solve for x
    x = 336,741,799,066,107,712/561,696,209.10
  6. Step 6: Final answer
    x = 599,508,762.23

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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.