Home / 522,946,060.14-721,656,842.76-288,018,580.29

Finding the Fourth Proportional to 522,946,060.14, 721,656,842.76 and 288,018,580.29

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Solution

The fourth proportional to 522,946,060.14, 721,656,842.76 and 288,018,580.29 is: 397,460,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,946,060.14 : 721,656,842.76 = 288,018,580.29 : x
  2. Step 2: Convert to fraction form
    522,946,060.14/721,656,842.76 = 288,018,580.29/x
  3. Step 3: Cross multiply
    522,946,060.14x = 721,656,842.76 × 288,018,580.29
  4. Step 4: Simplify right side
    522,946,060.14x = 207,850,579,308,298,976
  5. Step 5: Solve for x
    x = 207,850,579,308,298,976/522,946,060.14
  6. Step 6: Final answer
    x = 397,460,838.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.