Home / 347,754,380.40-521,631,570.60-186,511,244.40

Finding the Fourth Proportional to 347,754,380.40, 521,631,570.60 and 186,511,244.40

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Solution

The fourth proportional to 347,754,380.40, 521,631,570.60 and 186,511,244.40 is: 279,766,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,754,380.40 : 521,631,570.60 = 186,511,244.40 : x
  2. Step 2: Convert to fraction form
    347,754,380.40/521,631,570.60 = 186,511,244.40/x
  3. Step 3: Cross multiply
    347,754,380.40x = 521,631,570.60 × 186,511,244.40
  4. Step 4: Simplify right side
    347,754,380.40x = 97,290,153,350,932,464
  5. Step 5: Solve for x
    x = 97,290,153,350,932,464/347,754,380.40
  6. Step 6: Final answer
    x = 279,766,866.60

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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.