Home / 735,774,989.28-1,098,972,119.88-665,637,510.48

Finding the Fourth Proportional to 735,774,989.28, 1,098,972,119.88 and 665,637,510.48

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Solution

The fourth proportional to 735,774,989.28, 1,098,972,119.88 and 665,637,510.48 is: 994,213,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,774,989.28 : 1,098,972,119.88 = 665,637,510.48 : x
  2. Step 2: Convert to fraction form
    735,774,989.28/1,098,972,119.88 = 665,637,510.48/x
  3. Step 3: Cross multiply
    735,774,989.28x = 1,098,972,119.88 × 665,637,510.48
  4. Step 4: Simplify right side
    735,774,989.28x = 731,517,065,963,851,392
  5. Step 5: Solve for x
    x = 731,517,065,963,851,392/735,774,989.28
  6. Step 6: Final answer
    x = 994,213,008.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.