Home / 524,335,562.30-785,845,680.14-278,084,403.74

Finding the Fourth Proportional to 524,335,562.30, 785,845,680.14 and 278,084,403.74

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Solution

The fourth proportional to 524,335,562.30, 785,845,680.14 and 278,084,403.74 is: 416,777,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,335,562.30 : 785,845,680.14 = 278,084,403.74 : x
  2. Step 2: Convert to fraction form
    524,335,562.30/785,845,680.14 = 278,084,403.74/x
  3. Step 3: Cross multiply
    524,335,562.30x = 785,845,680.14 × 278,084,403.74
  4. Step 4: Simplify right side
    524,335,562.30x = 218,531,427,393,386,656
  5. Step 5: Solve for x
    x = 218,531,427,393,386,656/524,335,562.30
  6. Step 6: Final answer
    x = 416,777,810.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.