Home / 467,542,526.31-645,209,442.14-258,707,470.95

Finding the Fourth Proportional to 467,542,526.31, 645,209,442.14 and 258,707,470.95

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Solution

The fourth proportional to 467,542,526.31, 645,209,442.14 and 258,707,470.95 is: 357,016,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,542,526.31 : 645,209,442.14 = 258,707,470.95 : x
  2. Step 2: Convert to fraction form
    467,542,526.31/645,209,442.14 = 258,707,470.95/x
  3. Step 3: Cross multiply
    467,542,526.31x = 645,209,442.14 × 258,707,470.95
  4. Step 4: Simplify right side
    467,542,526.31x = 166,920,503,007,806,208
  5. Step 5: Solve for x
    x = 166,920,503,007,806,208/467,542,526.31
  6. Step 6: Final answer
    x = 357,016,728.14

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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.