Home / 522,946,057.14-721,656,838.62-288,018,577.28

Finding the Fourth Proportional to 522,946,057.14, 721,656,838.62 and 288,018,577.28

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Solution

The fourth proportional to 522,946,057.14, 721,656,838.62 and 288,018,577.28 is: 397,460,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,946,057.14 : 721,656,838.62 = 288,018,577.28 : x
  2. Step 2: Convert to fraction form
    522,946,057.14/721,656,838.62 = 288,018,577.28/x
  3. Step 3: Cross multiply
    522,946,057.14x = 721,656,838.62 × 288,018,577.28
  4. Step 4: Simplify right side
    522,946,057.14x = 207,850,575,945,519,136
  5. Step 5: Solve for x
    x = 207,850,575,945,519,136/522,946,057.14
  6. Step 6: Final answer
    x = 397,460,833.88

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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.