Home / 651,100,519.20-977,784,519.60-344,990,503.20

Finding the Fourth Proportional to 651,100,519.20, 977,784,519.60 and 344,990,503.20

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Solution

The fourth proportional to 651,100,519.20, 977,784,519.60 and 344,990,503.20 is: 518,086,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,100,519.20 : 977,784,519.60 = 344,990,503.20 : x
  2. Step 2: Convert to fraction form
    651,100,519.20/977,784,519.60 = 344,990,503.20/x
  3. Step 3: Cross multiply
    651,100,519.20x = 977,784,519.60 × 344,990,503.20
  4. Step 4: Simplify right side
    651,100,519.20x = 337,326,373,437,974,272
  5. Step 5: Solve for x
    x = 337,326,373,437,974,272/651,100,519.20
  6. Step 6: Final answer
    x = 518,086,475.88

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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.