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Finding the Fourth Proportional to 614,847,807.90, 922,271,711.85 and 555,538,992.30

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Solution

The fourth proportional to 614,847,807.90, 922,271,711.85 and 555,538,992.30 is: 833,308,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,847,807.90 : 922,271,711.85 = 555,538,992.30 : x
  2. Step 2: Convert to fraction form
    614,847,807.90/922,271,711.85 = 555,538,992.30/x
  3. Step 3: Cross multiply
    614,847,807.90x = 922,271,711.85 × 555,538,992.30
  4. Step 4: Simplify right side
    614,847,807.90x = 512,357,897,427,944,960
  5. Step 5: Solve for x
    x = 512,357,897,427,944,960/614,847,807.90
  6. Step 6: Final answer
    x = 833,308,488.45

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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.