Home / 347,684,491.40-521,337,780.30-143,233,233.80

Finding the Fourth Proportional to 347,684,491.40, 521,337,780.30 and 143,233,233.80

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Solution

The fourth proportional to 347,684,491.40, 521,337,780.30 and 143,233,233.80 is: 214,772,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,684,491.40 : 521,337,780.30 = 143,233,233.80 : x
  2. Step 2: Convert to fraction form
    347,684,491.40/521,337,780.30 = 143,233,233.80/x
  3. Step 3: Cross multiply
    347,684,491.40x = 521,337,780.30 × 143,233,233.80
  4. Step 4: Simplify right side
    347,684,491.40x = 74,672,896,174,482,944
  5. Step 5: Solve for x
    x = 74,672,896,174,482,944/347,684,491.40
  6. Step 6: Final answer
    x = 214,772,007.44

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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.