Home / 420,246,401.32-579,933,980.10-232,082,656.96

Finding the Fourth Proportional to 420,246,401.32, 579,933,980.10 and 232,082,656.96

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Solution

The fourth proportional to 420,246,401.32, 579,933,980.10 and 232,082,656.96 is: 320,270,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,246,401.32 : 579,933,980.10 = 232,082,656.96 : x
  2. Step 2: Convert to fraction form
    420,246,401.32/579,933,980.10 = 232,082,656.96/x
  3. Step 3: Cross multiply
    420,246,401.32x = 579,933,980.10 × 232,082,656.96
  4. Step 4: Simplify right side
    420,246,401.32x = 134,592,618,962,995,776
  5. Step 5: Solve for x
    x = 134,592,618,962,995,776/420,246,401.32
  6. Step 6: Final answer
    x = 320,270,723.41

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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.