Home / 15,469,446,054,761-21,347,901,924,225-8,438,197,430,373.40

Finding the Fourth Proportional to 15,469,446,054,761, 21,347,901,924,225 and 8,438,197,430,373.40

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Solution

The fourth proportional to 15,469,446,054,761, 21,347,901,924,225 and 8,438,197,430,373.40 is: 11,644,748,656,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469,446,054,761 : 21,347,901,924,225 = 8,438,197,430,373.40 : x
  2. Step 2: Convert to fraction form
    15,469,446,054,761/21,347,901,924,225 = 8,438,197,430,373.40/x
  3. Step 3: Cross multiply
    15,469,446,054,761x = 21,347,901,924,225 × 8,438,197,430,373.40
  4. Step 4: Simplify right side
    15,469,446,054,761x = 180,137,811,160,858,771,773,718,528
  5. Step 5: Solve for x
    x = 180,137,811,160,858,771,773,718,528/15,469,446,054,761
  6. Step 6: Final answer
    x = 11,644,748,656,363.04

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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.