Home / 868,761,012.70-1,303,141,519.05-460,614,324.70

Finding the Fourth Proportional to 868,761,012.70, 1,303,141,519.05 and 460,614,324.70

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Solution

The fourth proportional to 868,761,012.70, 1,303,141,519.05 and 460,614,324.70 is: 690,921,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,761,012.70 : 1,303,141,519.05 = 460,614,324.70 : x
  2. Step 2: Convert to fraction form
    868,761,012.70/1,303,141,519.05 = 460,614,324.70/x
  3. Step 3: Cross multiply
    868,761,012.70x = 1,303,141,519.05 × 460,614,324.70
  4. Step 4: Simplify right side
    868,761,012.70x = 600,245,650,785,747,840
  5. Step 5: Solve for x
    x = 600,245,650,785,747,840/868,761,012.70
  6. Step 6: Final answer
    x = 690,921,487.05

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1.5x scale

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.