Home / 25,205,763,442.20-37,808,645,163.30-12,145,069,426.20

Finding the Fourth Proportional to 25,205,763,442.20, 37,808,645,163.30 and 12,145,069,426.20

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Solution

The fourth proportional to 25,205,763,442.20, 37,808,645,163.30 and 12,145,069,426.20 is: 18,217,604,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205,763,442.20 : 37,808,645,163.30 = 12,145,069,426.20 : x
  2. Step 2: Convert to fraction form
    25,205,763,442.20/37,808,645,163.30 = 12,145,069,426.20/x
  3. Step 3: Cross multiply
    25,205,763,442.20x = 37,808,645,163.30 × 12,145,069,426.20
  4. Step 4: Simplify right side
    25,205,763,442.20x = 459,188,620,418,839,412,736
  5. Step 5: Solve for x
    x = 459,188,620,418,839,412,736/25,205,763,442.20
  6. Step 6: Final answer
    x = 18,217,604,139.30

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Double scale
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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.