Home / 371,019,559.35-512,005,131.16-201,472,282.59

Finding the Fourth Proportional to 371,019,559.35, 512,005,131.16 and 201,472,282.59

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Solution

The fourth proportional to 371,019,559.35, 512,005,131.16 and 201,472,282.59 is: 278,030,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,019,559.35 : 512,005,131.16 = 201,472,282.59 : x
  2. Step 2: Convert to fraction form
    371,019,559.35/512,005,131.16 = 201,472,282.59/x
  3. Step 3: Cross multiply
    371,019,559.35x = 512,005,131.16 × 201,472,282.59
  4. Step 4: Simplify right side
    371,019,559.35x = 103,154,842,471,309,936
  5. Step 5: Solve for x
    x = 103,154,842,471,309,936/371,019,559.35
  6. Step 6: Final answer
    x = 278,030,739.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.