Home / 11,865,715,708.12-16,374,705,614.08-6,440,253,261.48

Finding the Fourth Proportional to 11,865,715,708.12, 16,374,705,614.08 and 6,440,253,261.48

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Solution

The fourth proportional to 11,865,715,708.12, 16,374,705,614.08 and 6,440,253,261.48 is: 8,887,559,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865,715,708.12 : 16,374,705,614.08 = 6,440,253,261.48 : x
  2. Step 2: Convert to fraction form
    11,865,715,708.12/16,374,705,614.08 = 6,440,253,261.48/x
  3. Step 3: Cross multiply
    11,865,715,708.12x = 16,374,705,614.08 × 6,440,253,261.48
  4. Step 4: Simplify right side
    11,865,715,708.12x = 105,457,251,236,853,579,776
  5. Step 5: Solve for x
    x = 105,457,251,236,853,579,776/11,865,715,708.12
  6. Step 6: Final answer
    x = 8,887,559,236.29

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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.