Home / 642,225,176.20-963,337,764.30-448,514,931.70

Finding the Fourth Proportional to 642,225,176.20, 963,337,764.30 and 448,514,931.70

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Solution

The fourth proportional to 642,225,176.20, 963,337,764.30 and 448,514,931.70 is: 672,772,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,225,176.20 : 963,337,764.30 = 448,514,931.70 : x
  2. Step 2: Convert to fraction form
    642,225,176.20/963,337,764.30 = 448,514,931.70/x
  3. Step 3: Cross multiply
    642,225,176.20x = 963,337,764.30 × 448,514,931.70
  4. Step 4: Simplify right side
    642,225,176.20x = 432,071,371,559,045,184
  5. Step 5: Solve for x
    x = 432,071,371,559,045,184/642,225,176.20
  6. Step 6: Final answer
    x = 672,772,397.55

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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.