Home / 20,330,205,920.13-28,056,365,410.01-11,298,344,670.57

Finding the Fourth Proportional to 20,330,205,920.13, 28,056,365,410.01 and 11,298,344,670.57

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Solution

The fourth proportional to 20,330,205,920.13, 28,056,365,410.01 and 11,298,344,670.57 is: 15,592,094,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330,205,920.13 : 28,056,365,410.01 = 11,298,344,670.57 : x
  2. Step 2: Convert to fraction form
    20,330,205,920.13/28,056,365,410.01 = 11,298,344,670.57/x
  3. Step 3: Cross multiply
    20,330,205,920.13x = 28,056,365,410.01 × 11,298,344,670.57
  4. Step 4: Simplify right side
    20,330,205,920.13x = 316,990,486,605,694,500,864
  5. Step 5: Solve for x
    x = 316,990,486,605,694,500,864/20,330,205,920.13
  6. Step 6: Final answer
    x = 15,592,094,239.04

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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.