Home / 662,543,175.68-914,313,197.76-384,249,691.52

Finding the Fourth Proportional to 662,543,175.68, 914,313,197.76 and 384,249,691.52

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Solution

The fourth proportional to 662,543,175.68, 914,313,197.76 and 384,249,691.52 is: 530,266,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,543,175.68 : 914,313,197.76 = 384,249,691.52 : x
  2. Step 2: Convert to fraction form
    662,543,175.68/914,313,197.76 = 384,249,691.52/x
  3. Step 3: Cross multiply
    662,543,175.68x = 914,313,197.76 × 384,249,691.52
  4. Step 4: Simplify right side
    662,543,175.68x = 351,324,564,191,944,704
  5. Step 5: Solve for x
    x = 351,324,564,191,944,704/662,543,175.68
  6. Step 6: Final answer
    x = 530,266,671.05

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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.