Home / 523,608,062.13-783,472,024.40-419,662,000.62

Finding the Fourth Proportional to 523,608,062.13, 783,472,024.40 and 419,662,000.62

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Solution

The fourth proportional to 523,608,062.13, 783,472,024.40 and 419,662,000.62 is: 627,938,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,608,062.13 : 783,472,024.40 = 419,662,000.62 : x
  2. Step 2: Convert to fraction form
    523,608,062.13/783,472,024.40 = 419,662,000.62/x
  3. Step 3: Cross multiply
    523,608,062.13x = 783,472,024.40 × 419,662,000.62
  4. Step 4: Simplify right side
    523,608,062.13x = 328,793,437,187,407,168
  5. Step 5: Solve for x
    x = 328,793,437,187,407,168/523,608,062.13
  6. Step 6: Final answer
    x = 627,938,072.32

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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.