Home / 15,118,632,139.20-22,677,948,208.80-13,921,401,854.40

Finding the Fourth Proportional to 15,118,632,139.20, 22,677,948,208.80 and 13,921,401,854.40

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Solution

The fourth proportional to 15,118,632,139.20, 22,677,948,208.80 and 13,921,401,854.40 is: 20,882,102,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,632,139.20 : 22,677,948,208.80 = 13,921,401,854.40 : x
  2. Step 2: Convert to fraction form
    15,118,632,139.20/22,677,948,208.80 = 13,921,401,854.40/x
  3. Step 3: Cross multiply
    15,118,632,139.20x = 22,677,948,208.80 × 13,921,401,854.40
  4. Step 4: Simplify right side
    15,118,632,139.20x = 315,708,830,247,975,452,672
  5. Step 5: Solve for x
    x = 315,708,830,247,975,452,672/15,118,632,139.20
  6. Step 6: Final answer
    x = 20,882,102,781.60

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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.