Home / 626,961,325.20-941,445,820.80-498,636,038.40

Finding the Fourth Proportional to 626,961,325.20, 941,445,820.80 and 498,636,038.40

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Solution

The fourth proportional to 626,961,325.20, 941,445,820.80 and 498,636,038.40 is: 748,752,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,961,325.20 : 941,445,820.80 = 498,636,038.40 : x
  2. Step 2: Convert to fraction form
    626,961,325.20/941,445,820.80 = 498,636,038.40/x
  3. Step 3: Cross multiply
    626,961,325.20x = 941,445,820.80 × 498,636,038.40
  4. Step 4: Simplify right side
    626,961,325.20x = 469,438,814,451,948,288
  5. Step 5: Solve for x
    x = 469,438,814,451,948,288/626,961,325.20
  6. Step 6: Final answer
    x = 748,752,427.91

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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.