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Finding the Fourth Proportional to 652,366,930.68, 900,266,511.31 and 359,011,498.68

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Solution

The fourth proportional to 652,366,930.68, 900,266,511.31 and 359,011,498.68 is: 495,435,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,366,930.68 : 900,266,511.31 = 359,011,498.68 : x
  2. Step 2: Convert to fraction form
    652,366,930.68/900,266,511.31 = 359,011,498.68/x
  3. Step 3: Cross multiply
    652,366,930.68x = 900,266,511.31 × 359,011,498.68
  4. Step 4: Simplify right side
    652,366,930.68x = 323,206,029,435,920,768
  5. Step 5: Solve for x
    x = 323,206,029,435,920,768/652,366,930.68
  6. Step 6: Final answer
    x = 495,435,949.06

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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.