Home / 351,648,007.20-527,472,010.80-242,808,890.40

Finding the Fourth Proportional to 351,648,007.20, 527,472,010.80 and 242,808,890.40

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Solution

The fourth proportional to 351,648,007.20, 527,472,010.80 and 242,808,890.40 is: 364,213,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,648,007.20 : 527,472,010.80 = 242,808,890.40 : x
  2. Step 2: Convert to fraction form
    351,648,007.20/527,472,010.80 = 242,808,890.40/x
  3. Step 3: Cross multiply
    351,648,007.20x = 527,472,010.80 × 242,808,890.40
  4. Step 4: Simplify right side
    351,648,007.20x = 128,074,893,659,404,816
  5. Step 5: Solve for x
    x = 128,074,893,659,404,816/351,648,007.20
  6. Step 6: Final answer
    x = 364,213,335.60

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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.