Home / 646,346,562.97-969,656,026.21-209,613,193.04

Finding the Fourth Proportional to 646,346,562.97, 969,656,026.21 and 209,613,193.04

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Solution

The fourth proportional to 646,346,562.97, 969,656,026.21 and 209,613,193.04 is: 314,463,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,346,562.97 : 969,656,026.21 = 209,613,193.04 : x
  2. Step 2: Convert to fraction form
    646,346,562.97/969,656,026.21 = 209,613,193.04/x
  3. Step 3: Cross multiply
    646,346,562.97x = 969,656,026.21 × 209,613,193.04
  4. Step 4: Simplify right side
    646,346,562.97x = 203,252,695,800,926,912
  5. Step 5: Solve for x
    x = 203,252,695,800,926,912/646,346,562.97
  6. Step 6: Final answer
    x = 314,463,953.93

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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.