Home / 908,436,374.70-1,362,654,562.05-495,187,853.10

Finding the Fourth Proportional to 908,436,374.70, 1,362,654,562.05 and 495,187,853.10

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Solution

The fourth proportional to 908,436,374.70, 1,362,654,562.05 and 495,187,853.10 is: 742,781,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,436,374.70 : 1,362,654,562.05 = 495,187,853.10 : x
  2. Step 2: Convert to fraction form
    908,436,374.70/1,362,654,562.05 = 495,187,853.10/x
  3. Step 3: Cross multiply
    908,436,374.70x = 1,362,654,562.05 × 495,187,853.10
  4. Step 4: Simplify right side
    908,436,374.70x = 674,769,987,098,460,288
  5. Step 5: Solve for x
    x = 674,769,987,098,460,288/908,436,374.70
  6. Step 6: Final answer
    x = 742,781,779.65

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Double scale
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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.