Home / 1,485,167,658.50-2,049,547,681.32-816,112,876.52

Finding the Fourth Proportional to 1,485,167,658.50, 2,049,547,681.32 and 816,112,876.52

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Solution

The fourth proportional to 1,485,167,658.50, 2,049,547,681.32 and 816,112,876.52 is: 1,126,244,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,167,658.50 : 2,049,547,681.32 = 816,112,876.52 : x
  2. Step 2: Convert to fraction form
    1,485,167,658.50/2,049,547,681.32 = 816,112,876.52/x
  3. Step 3: Cross multiply
    1,485,167,658.50x = 2,049,547,681.32 × 816,112,876.52
  4. Step 4: Simplify right side
    1,485,167,658.50x = 1,672,662,253,766,961,408
  5. Step 5: Solve for x
    x = 1,672,662,253,766,961,408/1,485,167,658.50
  6. Step 6: Final answer
    x = 1,126,244,733.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.