Home / 10,571,862,438.52-15,864,779,892.78-4,977,399,434.04

Finding the Fourth Proportional to 10,571,862,438.52, 15,864,779,892.78 and 4,977,399,434.04

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Solution

The fourth proportional to 10,571,862,438.52, 15,864,779,892.78 and 4,977,399,434.04 is: 7,469,388,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,862,438.52 : 15,864,779,892.78 = 4,977,399,434.04 : x
  2. Step 2: Convert to fraction form
    10,571,862,438.52/15,864,779,892.78 = 4,977,399,434.04/x
  3. Step 3: Cross multiply
    10,571,862,438.52x = 15,864,779,892.78 × 4,977,399,434.04
  4. Step 4: Simplify right side
    10,571,862,438.52x = 78,965,346,459,492,352,000
  5. Step 5: Solve for x
    x = 78,965,346,459,492,352,000/10,571,862,438.52
  6. Step 6: Final answer
    x = 7,469,388,380.59

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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.