Home / 20,178,192,904.20-30,267,289,356.30-13,901,980,982.40

Finding the Fourth Proportional to 20,178,192,904.20, 30,267,289,356.30 and 13,901,980,982.40

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Solution

The fourth proportional to 20,178,192,904.20, 30,267,289,356.30 and 13,901,980,982.40 is: 20,852,971,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,192,904.20 : 30,267,289,356.30 = 13,901,980,982.40 : x
  2. Step 2: Convert to fraction form
    20,178,192,904.20/30,267,289,356.30 = 13,901,980,982.40/x
  3. Step 3: Cross multiply
    20,178,192,904.20x = 30,267,289,356.30 × 13,901,980,982.40
  4. Step 4: Simplify right side
    20,178,192,904.20x = 420,775,281,020,080,488,448
  5. Step 5: Solve for x
    x = 420,775,281,020,080,488,448/20,178,192,904.20
  6. Step 6: Final answer
    x = 20,852,971,473.60

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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.