Home / 690,947,794.79-1,036,831,233.85-254,554,685.49

Finding the Fourth Proportional to 690,947,794.79, 1,036,831,233.85 and 254,554,685.49

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Solution

The fourth proportional to 690,947,794.79, 1,036,831,233.85 and 254,554,685.49 is: 381,982,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,947,794.79 : 1,036,831,233.85 = 254,554,685.49 : x
  2. Step 2: Convert to fraction form
    690,947,794.79/1,036,831,233.85 = 254,554,685.49/x
  3. Step 3: Cross multiply
    690,947,794.79x = 1,036,831,233.85 × 254,554,685.49
  4. Step 4: Simplify right side
    690,947,794.79x = 263,930,248,637,735,232
  5. Step 5: Solve for x
    x = 263,930,248,637,735,232/690,947,794.79
  6. Step 6: Final answer
    x = 381,982,909.02

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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.