Home / 641,656,374.24-960,826,943.06-442,849,114.86

Finding the Fourth Proportional to 641,656,374.24, 960,826,943.06 and 442,849,114.86

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Solution

The fourth proportional to 641,656,374.24, 960,826,943.06 and 442,849,114.86 is: 663,129,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,656,374.24 : 960,826,943.06 = 442,849,114.86 : x
  2. Step 2: Convert to fraction form
    641,656,374.24/960,826,943.06 = 442,849,114.86/x
  3. Step 3: Cross multiply
    641,656,374.24x = 960,826,943.06 × 442,849,114.86
  4. Step 4: Simplify right side
    641,656,374.24x = 425,501,361,265,546,368
  5. Step 5: Solve for x
    x = 425,501,361,265,546,368/641,656,374.24
  6. Step 6: Final answer
    x = 663,129,641.27

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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.