Home / 5,389,844,985.90-7,427,390,844.60-4,121,123,486.58

Finding the Fourth Proportional to 5,389,844,985.90, 7,427,390,844.60 and 4,121,123,486.58

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Solution

The fourth proportional to 5,389,844,985.90, 7,427,390,844.60 and 4,121,123,486.58 is: 5,679,049,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,844,985.90 : 7,427,390,844.60 = 4,121,123,486.58 : x
  2. Step 2: Convert to fraction form
    5,389,844,985.90/7,427,390,844.60 = 4,121,123,486.58/x
  3. Step 3: Cross multiply
    5,389,844,985.90x = 7,427,390,844.60 × 4,121,123,486.58
  4. Step 4: Simplify right side
    5,389,844,985.90x = 30,609,194,853,690,322,944
  5. Step 5: Solve for x
    x = 30,609,194,853,690,322,944/5,389,844,985.90
  6. Step 6: Final answer
    x = 5,679,049,199.70

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Double scale
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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.