Home / 971,286,325.20-1,456,929,487.80-906,237,946.80

Finding the Fourth Proportional to 971,286,325.20, 1,456,929,487.80 and 906,237,946.80

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Solution

The fourth proportional to 971,286,325.20, 1,456,929,487.80 and 906,237,946.80 is: 1,359,356,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,286,325.20 : 1,456,929,487.80 = 906,237,946.80 : x
  2. Step 2: Convert to fraction form
    971,286,325.20/1,456,929,487.80 = 906,237,946.80/x
  3. Step 3: Cross multiply
    971,286,325.20x = 1,456,929,487.80 × 906,237,946.80
  4. Step 4: Simplify right side
    971,286,325.20x = 1,320,324,787,656,247,552
  5. Step 5: Solve for x
    x = 1,320,324,787,656,247,552/971,286,325.20
  6. Step 6: Final answer
    x = 1,359,356,920.20

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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.