Home / 491,243,164.20-734,849,207.10-442,870,223.40

Finding the Fourth Proportional to 491,243,164.20, 734,849,207.10 and 442,870,223.40

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Solution

The fourth proportional to 491,243,164.20, 734,849,207.10 and 442,870,223.40 is: 662,488,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,243,164.20 : 734,849,207.10 = 442,870,223.40 : x
  2. Step 2: Convert to fraction form
    491,243,164.20/734,849,207.10 = 442,870,223.40/x
  3. Step 3: Cross multiply
    491,243,164.20x = 734,849,207.10 × 442,870,223.40
  4. Step 4: Simplify right side
    491,243,164.20x = 325,442,832,513,689,856
  5. Step 5: Solve for x
    x = 325,442,832,513,689,856/491,243,164.20
  6. Step 6: Final answer
    x = 662,488,266.97

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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.