Home / 354,827,672.80-532,241,509.20-328,285,592.80

Finding the Fourth Proportional to 354,827,672.80, 532,241,509.20 and 328,285,592.80

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Solution

The fourth proportional to 354,827,672.80, 532,241,509.20 and 328,285,592.80 is: 492,428,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,827,672.80 : 532,241,509.20 = 328,285,592.80 : x
  2. Step 2: Convert to fraction form
    354,827,672.80/532,241,509.20 = 328,285,592.80/x
  3. Step 3: Cross multiply
    354,827,672.80x = 532,241,509.20 × 328,285,592.80
  4. Step 4: Simplify right side
    354,827,672.80x = 174,727,219,360,488,672
  5. Step 5: Solve for x
    x = 174,727,219,360,488,672/354,827,672.80
  6. Step 6: Final answer
    x = 492,428,389.20

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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.