Home / 580,025,875.24-870,015,217.38-143,315,561.80

Finding the Fourth Proportional to 580,025,875.24, 870,015,217.38 and 143,315,561.80

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Solution

The fourth proportional to 580,025,875.24, 870,015,217.38 and 143,315,561.80 is: 214,967,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,025,875.24 : 870,015,217.38 = 143,315,561.80 : x
  2. Step 2: Convert to fraction form
    580,025,875.24/870,015,217.38 = 143,315,561.80/x
  3. Step 3: Cross multiply
    580,025,875.24x = 870,015,217.38 × 143,315,561.80
  4. Step 4: Simplify right side
    580,025,875.24x = 124,686,719,653,363,840
  5. Step 5: Solve for x
    x = 124,686,719,653,363,840/580,025,875.24
  6. Step 6: Final answer
    x = 214,967,512.62

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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.