Home / 690,322,801.20-952,639,176.93-377,056,932.14

Finding the Fourth Proportional to 690,322,801.20, 952,639,176.93 and 377,056,932.14

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Solution

The fourth proportional to 690,322,801.20, 952,639,176.93 and 377,056,932.14 is: 520,335,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,322,801.20 : 952,639,176.93 = 377,056,932.14 : x
  2. Step 2: Convert to fraction form
    690,322,801.20/952,639,176.93 = 377,056,932.14/x
  3. Step 3: Cross multiply
    690,322,801.20x = 952,639,176.93 × 377,056,932.14
  4. Step 4: Simplify right side
    690,322,801.20x = 359,199,205,484,837,248
  5. Step 5: Solve for x
    x = 359,199,205,484,837,248/690,322,801.20
  6. Step 6: Final answer
    x = 520,335,131.42

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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.