Home / 868,761,007.70-1,303,141,511.55-460,614,319.70

Finding the Fourth Proportional to 868,761,007.70, 1,303,141,511.55 and 460,614,319.70

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Solution

The fourth proportional to 868,761,007.70, 1,303,141,511.55 and 460,614,319.70 is: 690,921,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,761,007.70 : 1,303,141,511.55 = 460,614,319.70 : x
  2. Step 2: Convert to fraction form
    868,761,007.70/1,303,141,511.55 = 460,614,319.70/x
  3. Step 3: Cross multiply
    868,761,007.70x = 1,303,141,511.55 × 460,614,319.70
  4. Step 4: Simplify right side
    868,761,007.70x = 600,245,640,815,432,960
  5. Step 5: Solve for x
    x = 600,245,640,815,432,960/868,761,007.70
  6. Step 6: Final answer
    x = 690,921,479.55

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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.