Home / 522,946,061.14-721,656,844.14-288,018,581.29

Finding the Fourth Proportional to 522,946,061.14, 721,656,844.14 and 288,018,581.29

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Solution

The fourth proportional to 522,946,061.14, 721,656,844.14 and 288,018,581.29 is: 397,460,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,946,061.14 : 721,656,844.14 = 288,018,581.29 : x
  2. Step 2: Convert to fraction form
    522,946,061.14/721,656,844.14 = 288,018,581.29/x
  3. Step 3: Cross multiply
    522,946,061.14x = 721,656,844.14 × 288,018,581.29
  4. Step 4: Simplify right side
    522,946,061.14x = 207,850,580,427,421,472
  5. Step 5: Solve for x
    x = 207,850,580,427,421,472/522,946,061.14
  6. Step 6: Final answer
    x = 397,460,839.41

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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.