Home / 10,431,396,139.80-15,647,850,036.90-6,281,904,811.80

Finding the Fourth Proportional to 10,431,396,139.80, 15,647,850,036.90 and 6,281,904,811.80

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Solution

The fourth proportional to 10,431,396,139.80, 15,647,850,036.90 and 6,281,904,811.80 is: 9,423,312,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,396,139.80 : 15,647,850,036.90 = 6,281,904,811.80 : x
  2. Step 2: Convert to fraction form
    10,431,396,139.80/15,647,850,036.90 = 6,281,904,811.80/x
  3. Step 3: Cross multiply
    10,431,396,139.80x = 15,647,850,036.90 × 6,281,904,811.80
  4. Step 4: Simplify right side
    10,431,396,139.80x = 98,298,304,441,126,912,000
  5. Step 5: Solve for x
    x = 98,298,304,441,126,912,000/10,431,396,139.80
  6. Step 6: Final answer
    x = 9,423,312,385.39

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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.