Home / 531,490,251.40-797,235,377.10-477,920,998.60

Finding the Fourth Proportional to 531,490,251.40, 797,235,377.10 and 477,920,998.60

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Solution

The fourth proportional to 531,490,251.40, 797,235,377.10 and 477,920,998.60 is: 716,881,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,490,251.40 : 797,235,377.10 = 477,920,998.60 : x
  2. Step 2: Convert to fraction form
    531,490,251.40/797,235,377.10 = 477,920,998.60/x
  3. Step 3: Cross multiply
    531,490,251.40x = 797,235,377.10 × 477,920,998.60
  4. Step 4: Simplify right side
    531,490,251.40x = 381,015,527,542,879,616
  5. Step 5: Solve for x
    x = 381,015,527,542,879,616/531,490,251.40
  6. Step 6: Final answer
    x = 716,881,497.90

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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.