Home / 11,865,715,719.12-16,374,705,629.28-6,440,253,272.46

Finding the Fourth Proportional to 11,865,715,719.12, 16,374,705,629.28 and 6,440,253,272.46

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Solution

The fourth proportional to 11,865,715,719.12, 16,374,705,629.28 and 6,440,253,272.46 is: 8,887,559,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865,715,719.12 : 16,374,705,629.28 = 6,440,253,272.46 : x
  2. Step 2: Convert to fraction form
    11,865,715,719.12/16,374,705,629.28 = 6,440,253,272.46/x
  3. Step 3: Cross multiply
    11,865,715,719.12x = 16,374,705,629.28 × 6,440,253,272.46
  4. Step 4: Simplify right side
    11,865,715,719.12x = 105,457,251,514,539,704,320
  5. Step 5: Solve for x
    x = 105,457,251,514,539,704,320/11,865,715,719.12
  6. Step 6: Final answer
    x = 8,887,559,251.45

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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.