Home / 10,571,862,434.97-15,864,779,887.44-4,977,399,430.47

Finding the Fourth Proportional to 10,571,862,434.97, 15,864,779,887.44 and 4,977,399,430.47

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Solution

The fourth proportional to 10,571,862,434.97, 15,864,779,887.44 and 4,977,399,430.47 is: 7,469,388,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,862,434.97 : 15,864,779,887.44 = 4,977,399,430.47 : x
  2. Step 2: Convert to fraction form
    10,571,862,434.97/15,864,779,887.44 = 4,977,399,430.47/x
  3. Step 3: Cross multiply
    10,571,862,434.97x = 15,864,779,887.44 × 4,977,399,430.47
  4. Step 4: Simplify right side
    10,571,862,434.97x = 78,965,346,376,323,792,896
  5. Step 5: Solve for x
    x = 78,965,346,376,323,792,896/10,571,862,434.97
  6. Step 6: Final answer
    x = 7,469,388,375.23

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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.