Home / 10,487,350,114.08-14,472,548,964.10-5,664,715,076.76

Finding the Fourth Proportional to 10,487,350,114.08, 14,472,548,964.10 and 5,664,715,076.76

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Solution

The fourth proportional to 10,487,350,114.08, 14,472,548,964.10 and 5,664,715,076.76 is: 7,817,309,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487,350,114.08 : 14,472,548,964.10 = 5,664,715,076.76 : x
  2. Step 2: Convert to fraction form
    10,487,350,114.08/14,472,548,964.10 = 5,664,715,076.76/x
  3. Step 3: Cross multiply
    10,487,350,114.08x = 14,472,548,964.10 × 5,664,715,076.76
  4. Step 4: Simplify right side
    10,487,350,114.08x = 81,982,866,316,084,592,640
  5. Step 5: Solve for x
    x = 81,982,866,316,084,592,640/10,487,350,114.08
  6. Step 6: Final answer
    x = 7,817,309,942.39

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Double scale
Find fourth proportional to 10,487,350,115.08, 14,472,548,965.48 and 5,664,715,077.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.