Home / 1,179,887,926.10-1,771,847,428.35-772,749,007.70

Finding the Fourth Proportional to 1,179,887,926.10, 1,771,847,428.35 and 772,749,007.70

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Solution

The fourth proportional to 1,179,887,926.10, 1,771,847,428.35 and 772,749,007.70 is: 1,160,443,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,887,926.10 : 1,771,847,428.35 = 772,749,007.70 : x
  2. Step 2: Convert to fraction form
    1,179,887,926.10/1,771,847,428.35 = 772,749,007.70/x
  3. Step 3: Cross multiply
    1,179,887,926.10x = 1,771,847,428.35 × 772,749,007.70
  4. Step 4: Simplify right side
    1,179,887,926.10x = 1,369,193,342,053,259,264
  5. Step 5: Solve for x
    x = 1,369,193,342,053,259,264/1,179,887,926.10
  6. Step 6: Final answer
    x = 1,160,443,557.19

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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.