Home / 1,721,687,742.28-2,375,852,651.64-958,771,162.39

Finding the Fourth Proportional to 1,721,687,742.28, 2,375,852,651.64 and 958,771,162.39

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Solution

The fourth proportional to 1,721,687,742.28, 2,375,852,651.64 and 958,771,162.39 is: 1,323,061,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,687,742.28 : 2,375,852,651.64 = 958,771,162.39 : x
  2. Step 2: Convert to fraction form
    1,721,687,742.28/2,375,852,651.64 = 958,771,162.39/x
  3. Step 3: Cross multiply
    1,721,687,742.28x = 2,375,852,651.64 × 958,771,162.39
  4. Step 4: Simplify right side
    1,721,687,742.28x = 2,277,899,008,488,014,592
  5. Step 5: Solve for x
    x = 2,277,899,008,488,014,592/1,721,687,742.28
  6. Step 6: Final answer
    x = 1,323,061,640.36

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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.