Home / 1,123,298,609.06-1,685,177,720.82-386,272,795.66

Finding the Fourth Proportional to 1,123,298,609.06, 1,685,177,720.82 and 386,272,795.66

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Solution

The fourth proportional to 1,123,298,609.06, 1,685,177,720.82 and 386,272,795.66 is: 579,488,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,298,609.06 : 1,685,177,720.82 = 386,272,795.66 : x
  2. Step 2: Convert to fraction form
    1,123,298,609.06/1,685,177,720.82 = 386,272,795.66/x
  3. Step 3: Cross multiply
    1,123,298,609.06x = 1,685,177,720.82 × 386,272,795.66
  4. Step 4: Simplify right side
    1,123,298,609.06x = 650,938,309,400,875,520
  5. Step 5: Solve for x
    x = 650,938,309,400,875,520/1,123,298,609.06
  6. Step 6: Final answer
    x = 579,488,218.14

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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.