Home / 11,865,715,588.08-16,374,705,448.50-6,440,253,141.60

Finding the Fourth Proportional to 11,865,715,588.08, 16,374,705,448.50 and 6,440,253,141.60

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Solution

The fourth proportional to 11,865,715,588.08, 16,374,705,448.50 and 6,440,253,141.60 is: 8,887,559,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865,715,588.08 : 16,374,705,448.50 = 6,440,253,141.60 : x
  2. Step 2: Convert to fraction form
    11,865,715,588.08/16,374,705,448.50 = 6,440,253,141.60/x
  3. Step 3: Cross multiply
    11,865,715,588.08x = 16,374,705,448.50 × 6,440,253,141.60
  4. Step 4: Simplify right side
    11,865,715,588.08x = 105,457,248,207,476,768,768
  5. Step 5: Solve for x
    x = 105,457,248,207,476,768,768/11,865,715,588.08
  6. Step 6: Final answer
    x = 8,887,559,070.89

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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.