Home / 580,025,621.92-870,014,837.89-143,315,308.77

Finding the Fourth Proportional to 580,025,621.92, 870,014,837.89 and 143,315,308.77

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Solution

The fourth proportional to 580,025,621.92, 870,014,837.89 and 143,315,308.77 is: 214,967,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,025,621.92 : 870,014,837.89 = 143,315,308.77 : x
  2. Step 2: Convert to fraction form
    580,025,621.92/870,014,837.89 = 143,315,308.77/x
  3. Step 3: Cross multiply
    580,025,621.92x = 870,014,837.89 × 143,315,308.77
  4. Step 4: Simplify right side
    580,025,621.92x = 124,686,445,129,323,120
  5. Step 5: Solve for x
    x = 124,686,445,129,323,120/580,025,621.92
  6. Step 6: Final answer
    x = 214,967,133.20

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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.