Home / 7,761,828,772.20-11,642,743,158.30-4,972,401,251.40

Finding the Fourth Proportional to 7,761,828,772.20, 11,642,743,158.30 and 4,972,401,251.40

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Solution

The fourth proportional to 7,761,828,772.20, 11,642,743,158.30 and 4,972,401,251.40 is: 7,458,601,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761,828,772.20 : 11,642,743,158.30 = 4,972,401,251.40 : x
  2. Step 2: Convert to fraction form
    7,761,828,772.20/11,642,743,158.30 = 4,972,401,251.40/x
  3. Step 3: Cross multiply
    7,761,828,772.20x = 11,642,743,158.30 × 4,972,401,251.40
  4. Step 4: Simplify right side
    7,761,828,772.20x = 57,892,390,650,059,702,272
  5. Step 5: Solve for x
    x = 57,892,390,650,059,702,272/7,761,828,772.20
  6. Step 6: Final answer
    x = 7,458,601,877.10

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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.