Home / 352,712,866.30-486,026,541.61-272,842,911.61

Finding the Fourth Proportional to 352,712,866.30, 486,026,541.61 and 272,842,911.61

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Solution

The fourth proportional to 352,712,866.30, 486,026,541.61 and 272,842,911.61 is: 375,968,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,712,866.30 : 486,026,541.61 = 272,842,911.61 : x
  2. Step 2: Convert to fraction form
    352,712,866.30/486,026,541.61 = 272,842,911.61/x
  3. Step 3: Cross multiply
    352,712,866.30x = 486,026,541.61 × 272,842,911.61
  4. Step 4: Simplify right side
    352,712,866.30x = 132,608,896,730,714,064
  5. Step 5: Solve for x
    x = 132,608,896,730,714,064/352,712,866.30
  6. Step 6: Final answer
    x = 375,968,413.41

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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.