Home / 755,754,383.60-1,133,631,575.40-712,707,662.60

Finding the Fourth Proportional to 755,754,383.60, 1,133,631,575.40 and 712,707,662.60

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Solution

The fourth proportional to 755,754,383.60, 1,133,631,575.40 and 712,707,662.60 is: 1,069,061,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,754,383.60 : 1,133,631,575.40 = 712,707,662.60 : x
  2. Step 2: Convert to fraction form
    755,754,383.60/1,133,631,575.40 = 712,707,662.60/x
  3. Step 3: Cross multiply
    755,754,383.60x = 1,133,631,575.40 × 712,707,662.60
  4. Step 4: Simplify right side
    755,754,383.60x = 807,947,910,352,889,728
  5. Step 5: Solve for x
    x = 807,947,910,352,889,728/755,754,383.60
  6. Step 6: Final answer
    x = 1,069,061,493.90

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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.