Home / 580,025,808.48-870,015,117.12-143,315,494.80

Finding the Fourth Proportional to 580,025,808.48, 870,015,117.12 and 143,315,494.80

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Solution

The fourth proportional to 580,025,808.48, 870,015,117.12 and 143,315,494.80 is: 214,967,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,025,808.48 : 870,015,117.12 = 143,315,494.80 : x
  2. Step 2: Convert to fraction form
    580,025,808.48/870,015,117.12 = 143,315,494.80/x
  3. Step 3: Cross multiply
    580,025,808.48x = 870,015,117.12 × 143,315,494.80
  4. Step 4: Simplify right side
    580,025,808.48x = 124,686,646,993,532,768
  5. Step 5: Solve for x
    x = 124,686,646,993,532,768/580,025,808.48
  6. Step 6: Final answer
    x = 214,967,412.09

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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.