Home / 352,712,854.80-486,026,525.77-272,842,900.07

Finding the Fourth Proportional to 352,712,854.80, 486,026,525.77 and 272,842,900.07

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Solution

The fourth proportional to 352,712,854.80, 486,026,525.77 and 272,842,900.07 is: 375,968,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,712,854.80 : 486,026,525.77 = 272,842,900.07 : x
  2. Step 2: Convert to fraction form
    352,712,854.80/486,026,525.77 = 272,842,900.07/x
  3. Step 3: Cross multiply
    352,712,854.80x = 486,026,525.77 × 272,842,900.07
  4. Step 4: Simplify right side
    352,712,854.80x = 132,608,886,802,033,376
  5. Step 5: Solve for x
    x = 132,608,886,802,033,376/352,712,854.80
  6. Step 6: Final answer
    x = 375,968,397.51

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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.