Home / 10,078,668,046.20-15,118,002,069.30-7,997,119,937.40

Finding the Fourth Proportional to 10,078,668,046.20, 15,118,002,069.30 and 7,997,119,937.40

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Solution

The fourth proportional to 10,078,668,046.20, 15,118,002,069.30 and 7,997,119,937.40 is: 11,995,679,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,668,046.20 : 15,118,002,069.30 = 7,997,119,937.40 : x
  2. Step 2: Convert to fraction form
    10,078,668,046.20/15,118,002,069.30 = 7,997,119,937.40/x
  3. Step 3: Cross multiply
    10,078,668,046.20x = 15,118,002,069.30 × 7,997,119,937.40
  4. Step 4: Simplify right side
    10,078,668,046.20x = 120,900,475,762,053,480,448
  5. Step 5: Solve for x
    x = 120,900,475,762,053,480,448/10,078,668,046.20
  6. Step 6: Final answer
    x = 11,995,679,906.10

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1.5x scale

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.