Home / 409,063,320.32-564,491,072.71-230,443,047.77

Finding the Fourth Proportional to 409,063,320.32, 564,491,072.71 and 230,443,047.77

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Solution

The fourth proportional to 409,063,320.32, 564,491,072.71 and 230,443,047.77 is: 318,002,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,063,320.32 : 564,491,072.71 = 230,443,047.77 : x
  2. Step 2: Convert to fraction form
    409,063,320.32/564,491,072.71 = 230,443,047.77/x
  3. Step 3: Cross multiply
    409,063,320.32x = 564,491,072.71 × 230,443,047.77
  4. Step 4: Simplify right side
    409,063,320.32x = 130,083,043,235,084,192
  5. Step 5: Solve for x
    x = 130,083,043,235,084,192/409,063,320.32
  6. Step 6: Final answer
    x = 318,002,218.17

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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.