Home / 692,925,908.80-956,002,345.40-395,354,378.20

Finding the Fourth Proportional to 692,925,908.80, 956,002,345.40 and 395,354,378.20

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Solution

The fourth proportional to 692,925,908.80, 956,002,345.40 and 395,354,378.20 is: 545,454,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,925,908.80 : 956,002,345.40 = 395,354,378.20 : x
  2. Step 2: Convert to fraction form
    692,925,908.80/956,002,345.40 = 395,354,378.20/x
  3. Step 3: Cross multiply
    692,925,908.80x = 956,002,345.40 × 395,354,378.20
  4. Step 4: Simplify right side
    692,925,908.80x = 377,959,712,823,358,592
  5. Step 5: Solve for x
    x = 377,959,712,823,358,592/692,925,908.80
  6. Step 6: Final answer
    x = 545,454,727.59

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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.