Home / 351,633,007.20-527,449,510.80-242,793,890.40

Finding the Fourth Proportional to 351,633,007.20, 527,449,510.80 and 242,793,890.40

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Solution

The fourth proportional to 351,633,007.20, 527,449,510.80 and 242,793,890.40 is: 364,190,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,633,007.20 : 527,449,510.80 = 242,793,890.40 : x
  2. Step 2: Convert to fraction form
    351,633,007.20/527,449,510.80 = 242,793,890.40/x
  3. Step 3: Cross multiply
    351,633,007.20x = 527,449,510.80 × 242,793,890.40
  4. Step 4: Simplify right side
    351,633,007.20x = 128,061,518,716,708,816
  5. Step 5: Solve for x
    x = 128,061,518,716,708,816/351,633,007.20
  6. Step 6: Final answer
    x = 364,190,835.60

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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.