Home / 1,373,604,372.05-2,061,254,042.66-636,536,891.72

Finding the Fourth Proportional to 1,373,604,372.05, 2,061,254,042.66 and 636,536,891.72

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Solution

The fourth proportional to 1,373,604,372.05, 2,061,254,042.66 and 636,536,891.72 is: 955,198,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,604,372.05 : 2,061,254,042.66 = 636,536,891.72 : x
  2. Step 2: Convert to fraction form
    1,373,604,372.05/2,061,254,042.66 = 636,536,891.72/x
  3. Step 3: Cross multiply
    1,373,604,372.05x = 2,061,254,042.66 × 636,536,891.72
  4. Step 4: Simplify right side
    1,373,604,372.05x = 1,312,064,241,366,824,960
  5. Step 5: Solve for x
    x = 1,312,064,241,366,824,960/1,373,604,372.05
  6. Step 6: Final answer
    x = 955,198,067.27

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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.