Home / 1,516,149,885.62-2,274,271,159.05-520,156,943.80

Finding the Fourth Proportional to 1,516,149,885.62, 2,274,271,159.05 and 520,156,943.80

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Solution

The fourth proportional to 1,516,149,885.62, 2,274,271,159.05 and 520,156,943.80 is: 780,251,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,149,885.62 : 2,274,271,159.05 = 520,156,943.80 : x
  2. Step 2: Convert to fraction form
    1,516,149,885.62/2,274,271,159.05 = 520,156,943.80/x
  3. Step 3: Cross multiply
    1,516,149,885.62x = 2,274,271,159.05 × 520,156,943.80
  4. Step 4: Simplify right side
    1,516,149,885.62x = 1,182,977,935,463,931,904
  5. Step 5: Solve for x
    x = 1,182,977,935,463,931,904/1,516,149,885.62
  6. Step 6: Final answer
    x = 780,251,310.69

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Double scale
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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.