Home / 20,155,518,000.20-30,233,277,000.30-17,706,637,872.20

Finding the Fourth Proportional to 20,155,518,000.20, 30,233,277,000.30 and 17,706,637,872.20

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Solution

The fourth proportional to 20,155,518,000.20, 30,233,277,000.30 and 17,706,637,872.20 is: 26,559,956,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,518,000.20 : 30,233,277,000.30 = 17,706,637,872.20 : x
  2. Step 2: Convert to fraction form
    20,155,518,000.20/30,233,277,000.30 = 17,706,637,872.20/x
  3. Step 3: Cross multiply
    20,155,518,000.20x = 30,233,277,000.30 × 17,706,637,872.20
  4. Step 4: Simplify right side
    20,155,518,000.20x = 535,329,687,534,225,195,008
  5. Step 5: Solve for x
    x = 535,329,687,534,225,195,008/20,155,518,000.20
  6. Step 6: Final answer
    x = 26,559,956,808.30

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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.