Home / 987,113,270.28-1,480,654,958.78-240,136,076.08

Finding the Fourth Proportional to 987,113,270.28, 1,480,654,958.78 and 240,136,076.08

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Solution

The fourth proportional to 987,113,270.28, 1,480,654,958.78 and 240,136,076.08 is: 360,200,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,113,270.28 : 1,480,654,958.78 = 240,136,076.08 : x
  2. Step 2: Convert to fraction form
    987,113,270.28/1,480,654,958.78 = 240,136,076.08/x
  3. Step 3: Cross multiply
    987,113,270.28x = 1,480,654,958.78 × 240,136,076.08
  4. Step 4: Simplify right side
    987,113,270.28x = 355,558,671,832,274,496
  5. Step 5: Solve for x
    x = 355,558,671,832,274,496/987,113,270.28
  6. Step 6: Final answer
    x = 360,200,478.04

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Double scale
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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.