Home / 6,292,728,043.20-9,439,092,064.80-3,966,291,921.60

Finding the Fourth Proportional to 6,292,728,043.20, 9,439,092,064.80 and 3,966,291,921.60

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Solution

The fourth proportional to 6,292,728,043.20, 9,439,092,064.80 and 3,966,291,921.60 is: 5,949,437,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292,728,043.20 : 9,439,092,064.80 = 3,966,291,921.60 : x
  2. Step 2: Convert to fraction form
    6,292,728,043.20/9,439,092,064.80 = 3,966,291,921.60/x
  3. Step 3: Cross multiply
    6,292,728,043.20x = 9,439,092,064.80 × 3,966,291,921.60
  4. Step 4: Simplify right side
    6,292,728,043.20x = 37,438,194,603,854,897,152
  5. Step 5: Solve for x
    x = 37,438,194,603,854,897,152/6,292,728,043.20
  6. Step 6: Final answer
    x = 5,949,437,882.40

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Double scale
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Similar ratio
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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.