Home / 692,925,923.80-956,002,366.12-395,354,393.20

Finding the Fourth Proportional to 692,925,923.80, 956,002,366.12 and 395,354,393.20

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Solution

The fourth proportional to 692,925,923.80, 956,002,366.12 and 395,354,393.20 is: 545,454,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,925,923.80 : 956,002,366.12 = 395,354,393.20 : x
  2. Step 2: Convert to fraction form
    692,925,923.80/956,002,366.12 = 395,354,393.20/x
  3. Step 3: Cross multiply
    692,925,923.80x = 956,002,366.12 × 395,354,393.20
  4. Step 4: Simplify right side
    692,925,923.80x = 377,959,735,355,136,832
  5. Step 5: Solve for x
    x = 377,959,735,355,136,832/692,925,923.80
  6. Step 6: Final answer
    x = 545,454,748.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.