Home / 510,825,787.20-766,238,680.80-446,255,705.70

Finding the Fourth Proportional to 510,825,787.20, 766,238,680.80 and 446,255,705.70

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Solution

The fourth proportional to 510,825,787.20, 766,238,680.80 and 446,255,705.70 is: 669,383,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,825,787.20 : 766,238,680.80 = 446,255,705.70 : x
  2. Step 2: Convert to fraction form
    510,825,787.20/766,238,680.80 = 446,255,705.70/x
  3. Step 3: Cross multiply
    510,825,787.20x = 766,238,680.80 × 446,255,705.70
  4. Step 4: Simplify right side
    510,825,787.20x = 341,938,383,235,041,024
  5. Step 5: Solve for x
    x = 341,938,383,235,041,024/510,825,787.20
  6. Step 6: Final answer
    x = 669,383,558.55

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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.