Home / 442,536,107.10-664,308,045.45-260,885,636.70

Finding the Fourth Proportional to 442,536,107.10, 664,308,045.45 and 260,885,636.70

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Solution

The fourth proportional to 442,536,107.10, 664,308,045.45 and 260,885,636.70 is: 391,625,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,536,107.10 : 664,308,045.45 = 260,885,636.70 : x
  2. Step 2: Convert to fraction form
    442,536,107.10/664,308,045.45 = 260,885,636.70/x
  3. Step 3: Cross multiply
    442,536,107.10x = 664,308,045.45 × 260,885,636.70
  4. Step 4: Simplify right side
    442,536,107.10x = 173,308,427,402,155,808
  5. Step 5: Solve for x
    x = 173,308,427,402,155,808/442,536,107.10
  6. Step 6: Final answer
    x = 391,625,507.21

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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.