Home / 502,638,130.20-693,357,200.46-301,643,600.52

Finding the Fourth Proportional to 502,638,130.20, 693,357,200.46 and 301,643,600.52

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Solution

The fourth proportional to 502,638,130.20, 693,357,200.46 and 301,643,600.52 is: 416,098,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,638,130.20 : 693,357,200.46 = 301,643,600.52 : x
  2. Step 2: Convert to fraction form
    502,638,130.20/693,357,200.46 = 301,643,600.52/x
  3. Step 3: Cross multiply
    502,638,130.20x = 693,357,200.46 × 301,643,600.52
  4. Step 4: Simplify right side
    502,638,130.20x = 209,146,762,393,221,792
  5. Step 5: Solve for x
    x = 209,146,762,393,221,792/502,638,130.20
  6. Step 6: Final answer
    x = 416,098,082.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.