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Finding the Fourth Proportional to 651,574,367.70, 977,361,551.55 and 466,951,764.30

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Solution

The fourth proportional to 651,574,367.70, 977,361,551.55 and 466,951,764.30 is: 700,427,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,574,367.70 : 977,361,551.55 = 466,951,764.30 : x
  2. Step 2: Convert to fraction form
    651,574,367.70/977,361,551.55 = 466,951,764.30/x
  3. Step 3: Cross multiply
    651,574,367.70x = 977,361,551.55 × 466,951,764.30
  4. Step 4: Simplify right side
    651,574,367.70x = 456,380,700,855,257,920
  5. Step 5: Solve for x
    x = 456,380,700,855,257,920/651,574,367.70
  6. Step 6: Final answer
    x = 700,427,646.45

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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.