Home / 542,746,940.04-814,211,216.33-426,157,592.85

Finding the Fourth Proportional to 542,746,940.04, 814,211,216.33 and 426,157,592.85

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Solution

The fourth proportional to 542,746,940.04, 814,211,216.33 and 426,157,592.85 is: 639,307,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,746,940.04 : 814,211,216.33 = 426,157,592.85 : x
  2. Step 2: Convert to fraction form
    542,746,940.04/814,211,216.33 = 426,157,592.85/x
  3. Step 3: Cross multiply
    542,746,940.04x = 814,211,216.33 × 426,157,592.85
  4. Step 4: Simplify right side
    542,746,940.04x = 346,982,292,020,532,672
  5. Step 5: Solve for x
    x = 346,982,292,020,532,672/542,746,940.04
  6. Step 6: Final answer
    x = 639,307,689.13

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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.