Home / 746,498,472.30-1,120,307,580.45-382,805,621.10

Finding the Fourth Proportional to 746,498,472.30, 1,120,307,580.45 and 382,805,621.10

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Solution

The fourth proportional to 746,498,472.30, 1,120,307,580.45 and 382,805,621.10 is: 574,495,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,498,472.30 : 1,120,307,580.45 = 382,805,621.10 : x
  2. Step 2: Convert to fraction form
    746,498,472.30/1,120,307,580.45 = 382,805,621.10/x
  3. Step 3: Cross multiply
    746,498,472.30x = 1,120,307,580.45 × 382,805,621.10
  4. Step 4: Simplify right side
    746,498,472.30x = 428,860,039,157,200,512
  5. Step 5: Solve for x
    x = 428,860,039,157,200,512/746,498,472.30
  6. Step 6: Final answer
    x = 574,495,534.91

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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.