Home / 725,932,202.67-1,088,896,643.10-311,140,066.70

Finding the Fourth Proportional to 725,932,202.67, 1,088,896,643.10 and 311,140,066.70

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Solution

The fourth proportional to 725,932,202.67, 1,088,896,643.10 and 311,140,066.70 is: 466,709,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,932,202.67 : 1,088,896,643.10 = 311,140,066.70 : x
  2. Step 2: Convert to fraction form
    725,932,202.67/1,088,896,643.10 = 311,140,066.70/x
  3. Step 3: Cross multiply
    725,932,202.67x = 1,088,896,643.10 × 311,140,066.70
  4. Step 4: Simplify right side
    725,932,202.67x = 338,799,374,166,262,272
  5. Step 5: Solve for x
    x = 338,799,374,166,262,272/725,932,202.67
  6. Step 6: Final answer
    x = 466,709,388.18

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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.