Home / 12,851,561,748.30-19,277,342,622.45-7,331,377,793.10

Finding the Fourth Proportional to 12,851,561,748.30, 19,277,342,622.45 and 7,331,377,793.10

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Solution

The fourth proportional to 12,851,561,748.30, 19,277,342,622.45 and 7,331,377,793.10 is: 10,997,066,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851,561,748.30 : 19,277,342,622.45 = 7,331,377,793.10 : x
  2. Step 2: Convert to fraction form
    12,851,561,748.30/19,277,342,622.45 = 7,331,377,793.10/x
  3. Step 3: Cross multiply
    12,851,561,748.30x = 19,277,342,622.45 × 7,331,377,793.10
  4. Step 4: Simplify right side
    12,851,561,748.30x = 141,329,481,612,210,061,312
  5. Step 5: Solve for x
    x = 141,329,481,612,210,061,312/12,851,561,748.30
  6. Step 6: Final answer
    x = 10,997,066,689.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.