Home / 790,278,779.38-1,185,420,189.98-200,069,082.23

Finding the Fourth Proportional to 790,278,779.38, 1,185,420,189.98 and 200,069,082.23

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Solution

The fourth proportional to 790,278,779.38, 1,185,420,189.98 and 200,069,082.23 is: 300,104,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,278,779.38 : 1,185,420,189.98 = 200,069,082.23 : x
  2. Step 2: Convert to fraction form
    790,278,779.38/1,185,420,189.98 = 200,069,082.23/x
  3. Step 3: Cross multiply
    790,278,779.38x = 1,185,420,189.98 × 200,069,082.23
  4. Step 4: Simplify right side
    790,278,779.38x = 237,165,929,466,210,848
  5. Step 5: Solve for x
    x = 237,165,929,466,210,848/790,278,779.38
  6. Step 6: Final answer
    x = 300,104,134.96

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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.