Home / 7,115,508,368,013.50-9,818,715,414,275-3,990,567,741,862.50

Finding the Fourth Proportional to 7,115,508,368,013.50, 9,818,715,414,275 and 3,990,567,741,862.50

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Solution

The fourth proportional to 7,115,508,368,013.50, 9,818,715,414,275 and 3,990,567,741,862.50 is: 5,506,598,681,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,508,368,013.50 : 9,818,715,414,275 = 3,990,567,741,862.50 : x
  2. Step 2: Convert to fraction form
    7,115,508,368,013.50/9,818,715,414,275 = 3,990,567,741,862.50/x
  3. Step 3: Cross multiply
    7,115,508,368,013.50x = 9,818,715,414,275 × 3,990,567,741,862.50
  4. Step 4: Simplify right side
    7,115,508,368,013.50x = 39,182,248,998,733,905,431,363,584
  5. Step 5: Solve for x
    x = 39,182,248,998,733,905,431,363,584/7,115,508,368,013.50
  6. Step 6: Final answer
    x = 5,506,598,681,672.66

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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.