Home / 413,480,988.12-570,603,817.80-225,309,313.56

Finding the Fourth Proportional to 413,480,988.12, 570,603,817.80 and 225,309,313.56

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Solution

The fourth proportional to 413,480,988.12, 570,603,817.80 and 225,309,313.56 is: 310,926,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,480,988.12 : 570,603,817.80 = 225,309,313.56 : x
  2. Step 2: Convert to fraction form
    413,480,988.12/570,603,817.80 = 225,309,313.56/x
  3. Step 3: Cross multiply
    413,480,988.12x = 570,603,817.80 × 225,309,313.56
  4. Step 4: Simplify right side
    413,480,988.12x = 128,562,354,503,233,296
  5. Step 5: Solve for x
    x = 128,562,354,503,233,296/413,480,988.12
  6. Step 6: Final answer
    x = 310,926,882.24

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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.