Home / 1,609,632,187.20-2,414,448,280.80-460,774,843.20

Finding the Fourth Proportional to 1,609,632,187.20, 2,414,448,280.80 and 460,774,843.20

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Solution

The fourth proportional to 1,609,632,187.20, 2,414,448,280.80 and 460,774,843.20 is: 691,162,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,632,187.20 : 2,414,448,280.80 = 460,774,843.20 : x
  2. Step 2: Convert to fraction form
    1,609,632,187.20/2,414,448,280.80 = 460,774,843.20/x
  3. Step 3: Cross multiply
    1,609,632,187.20x = 2,414,448,280.80 × 460,774,843.20
  4. Step 4: Simplify right side
    1,609,632,187.20x = 1,112,517,028,000,129,664
  5. Step 5: Solve for x
    x = 1,112,517,028,000,129,664/1,609,632,187.20
  6. Step 6: Final answer
    x = 691,162,264.80

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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.