Home / 840,471,364.20-1,260,896,003.10-495,247,290.60

Finding the Fourth Proportional to 840,471,364.20, 1,260,896,003.10 and 495,247,290.60

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Solution

The fourth proportional to 840,471,364.20, 1,260,896,003.10 and 495,247,290.60 is: 742,982,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,471,364.20 : 1,260,896,003.10 = 495,247,290.60 : x
  2. Step 2: Convert to fraction form
    840,471,364.20/1,260,896,003.10 = 495,247,290.60/x
  3. Step 3: Cross multiply
    840,471,364.20x = 1,260,896,003.10 × 495,247,290.60
  4. Step 4: Simplify right side
    840,471,364.20x = 624,455,329,263,644,160
  5. Step 5: Solve for x
    x = 624,455,329,263,644,160/840,471,364.20
  6. Step 6: Final answer
    x = 742,982,278.59

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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.