Home / 7,419,762,131.40-11,129,643,197.10-5,211,465,344.10

Finding the Fourth Proportional to 7,419,762,131.40, 11,129,643,197.10 and 5,211,465,344.10

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Solution

The fourth proportional to 7,419,762,131.40, 11,129,643,197.10 and 5,211,465,344.10 is: 7,817,198,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419,762,131.40 : 11,129,643,197.10 = 5,211,465,344.10 : x
  2. Step 2: Convert to fraction form
    7,419,762,131.40/11,129,643,197.10 = 5,211,465,344.10/x
  3. Step 3: Cross multiply
    7,419,762,131.40x = 11,129,643,197.10 × 5,211,465,344.10
  4. Step 4: Simplify right side
    7,419,762,131.40x = 58,001,749,813,884,985,344
  5. Step 5: Solve for x
    x = 58,001,749,813,884,985,344/7,419,762,131.40
  6. Step 6: Final answer
    x = 7,817,198,016.15

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Double scale
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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.