Home / 10,571,862,429.51-15,864,779,879.29-4,977,399,425.05

Finding the Fourth Proportional to 10,571,862,429.51, 15,864,779,879.29 and 4,977,399,425.05

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Solution

The fourth proportional to 10,571,862,429.51, 15,864,779,879.29 and 4,977,399,425.05 is: 7,469,388,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,862,429.51 : 15,864,779,879.29 = 4,977,399,425.05 : x
  2. Step 2: Convert to fraction form
    10,571,862,429.51/15,864,779,879.29 = 4,977,399,425.05/x
  3. Step 3: Cross multiply
    10,571,862,429.51x = 15,864,779,879.29 × 4,977,399,425.05
  4. Step 4: Simplify right side
    10,571,862,429.51x = 78,965,346,249,643,540,480
  5. Step 5: Solve for x
    x = 78,965,346,249,643,540,480/10,571,862,429.51
  6. Step 6: Final answer
    x = 7,469,388,367.11

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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.