Home / 10,358,863,998.40-15,538,295,997.60-9,270,472,830.40

Finding the Fourth Proportional to 10,358,863,998.40, 15,538,295,997.60 and 9,270,472,830.40

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Solution

The fourth proportional to 10,358,863,998.40, 15,538,295,997.60 and 9,270,472,830.40 is: 13,905,709,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,863,998.40 : 15,538,295,997.60 = 9,270,472,830.40 : x
  2. Step 2: Convert to fraction form
    10,358,863,998.40/15,538,295,997.60 = 9,270,472,830.40/x
  3. Step 3: Cross multiply
    10,358,863,998.40x = 15,538,295,997.60 × 9,270,472,830.40
  4. Step 4: Simplify right side
    10,358,863,998.40x = 144,047,350,876,463,857,664
  5. Step 5: Solve for x
    x = 144,047,350,876,463,857,664/10,358,863,998.40
  6. Step 6: Final answer
    x = 13,905,709,245.60

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Double scale
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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.