Home / 522,946,057.02-721,656,838.45-288,018,577.16

Finding the Fourth Proportional to 522,946,057.02, 721,656,838.45 and 288,018,577.16

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Solution

The fourth proportional to 522,946,057.02, 721,656,838.45 and 288,018,577.16 is: 397,460,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,946,057.02 : 721,656,838.45 = 288,018,577.16 : x
  2. Step 2: Convert to fraction form
    522,946,057.02/721,656,838.45 = 288,018,577.16/x
  3. Step 3: Cross multiply
    522,946,057.02x = 721,656,838.45 × 288,018,577.16
  4. Step 4: Simplify right side
    522,946,057.02x = 207,850,575,808,153,024
  5. Step 5: Solve for x
    x = 207,850,575,808,153,024/522,946,057.02
  6. Step 6: Final answer
    x = 397,460,833.71

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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.