Home / 10,488,520,483.20-15,732,780,724.80-9,631,412,438.40

Finding the Fourth Proportional to 10,488,520,483.20, 15,732,780,724.80 and 9,631,412,438.40

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Solution

The fourth proportional to 10,488,520,483.20, 15,732,780,724.80 and 9,631,412,438.40 is: 14,447,118,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488,520,483.20 : 15,732,780,724.80 = 9,631,412,438.40 : x
  2. Step 2: Convert to fraction form
    10,488,520,483.20/15,732,780,724.80 = 9,631,412,438.40/x
  3. Step 3: Cross multiply
    10,488,520,483.20x = 15,732,780,724.80 × 9,631,412,438.40
  4. Step 4: Simplify right side
    10,488,520,483.20x = 151,528,899,963,458,486,272
  5. Step 5: Solve for x
    x = 151,528,899,963,458,486,272/10,488,520,483.20
  6. Step 6: Final answer
    x = 14,447,118,657.60

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Similar ratio
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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.