Home / 908,436,374.20-1,362,654,561.30-495,187,852.60

Finding the Fourth Proportional to 908,436,374.20, 1,362,654,561.30 and 495,187,852.60

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Solution

The fourth proportional to 908,436,374.20, 1,362,654,561.30 and 495,187,852.60 is: 742,781,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,436,374.20 : 1,362,654,561.30 = 495,187,852.60 : x
  2. Step 2: Convert to fraction form
    908,436,374.20/1,362,654,561.30 = 495,187,852.60/x
  3. Step 3: Cross multiply
    908,436,374.20x = 1,362,654,561.30 × 495,187,852.60
  4. Step 4: Simplify right side
    908,436,374.20x = 674,769,986,045,742,080
  5. Step 5: Solve for x
    x = 674,769,986,045,742,080/908,436,374.20
  6. Step 6: Final answer
    x = 742,781,778.90

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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.