Home / 20,697,984,013.20-31,046,976,019.80-15,800,223,757.20

Finding the Fourth Proportional to 20,697,984,013.20, 31,046,976,019.80 and 15,800,223,757.20

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Solution

The fourth proportional to 20,697,984,013.20, 31,046,976,019.80 and 15,800,223,757.20 is: 23,700,335,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,984,013.20 : 31,046,976,019.80 = 15,800,223,757.20 : x
  2. Step 2: Convert to fraction form
    20,697,984,013.20/31,046,976,019.80 = 15,800,223,757.20/x
  3. Step 3: Cross multiply
    20,697,984,013.20x = 31,046,976,019.80 × 15,800,223,757.20
  4. Step 4: Simplify right side
    20,697,984,013.20x = 490,549,168,097,262,698,496
  5. Step 5: Solve for x
    x = 490,549,168,097,262,698,496/20,697,984,013.20
  6. Step 6: Final answer
    x = 23,700,335,635.80

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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.