Home / 347,684,492.40-521,337,781.80-143,233,234.80

Finding the Fourth Proportional to 347,684,492.40, 521,337,781.80 and 143,233,234.80

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Solution

The fourth proportional to 347,684,492.40, 521,337,781.80 and 143,233,234.80 is: 214,772,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,684,492.40 : 521,337,781.80 = 143,233,234.80 : x
  2. Step 2: Convert to fraction form
    347,684,492.40/521,337,781.80 = 143,233,234.80/x
  3. Step 3: Cross multiply
    347,684,492.40x = 521,337,781.80 × 143,233,234.80
  4. Step 4: Simplify right side
    347,684,492.40x = 74,672,896,910,670,576
  5. Step 5: Solve for x
    x = 74,672,896,910,670,576/347,684,492.40
  6. Step 6: Final answer
    x = 214,772,008.94

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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.