Home / 19,961,489,205.60-29,942,233,808.40-5,240,998,658.40

Finding the Fourth Proportional to 19,961,489,205.60, 29,942,233,808.40 and 5,240,998,658.40

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Solution

The fourth proportional to 19,961,489,205.60, 29,942,233,808.40 and 5,240,998,658.40 is: 7,861,497,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961,489,205.60 : 29,942,233,808.40 = 5,240,998,658.40 : x
  2. Step 2: Convert to fraction form
    19,961,489,205.60/29,942,233,808.40 = 5,240,998,658.40/x
  3. Step 3: Cross multiply
    19,961,489,205.60x = 29,942,233,808.40 × 5,240,998,658.40
  4. Step 4: Simplify right side
    19,961,489,205.60x = 156,927,207,219,323,535,360
  5. Step 5: Solve for x
    x = 156,927,207,219,323,535,360/19,961,489,205.60
  6. Step 6: Final answer
    x = 7,861,497,987.60

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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.