Home / 565,269,335.20-847,904,002.80-442,825,328.80

Finding the Fourth Proportional to 565,269,335.20, 847,904,002.80 and 442,825,328.80

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Solution

The fourth proportional to 565,269,335.20, 847,904,002.80 and 442,825,328.80 is: 664,237,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,269,335.20 : 847,904,002.80 = 442,825,328.80 : x
  2. Step 2: Convert to fraction form
    565,269,335.20/847,904,002.80 = 442,825,328.80/x
  3. Step 3: Cross multiply
    565,269,335.20x = 847,904,002.80 × 442,825,328.80
  4. Step 4: Simplify right side
    565,269,335.20x = 375,473,368,830,746,112
  5. Step 5: Solve for x
    x = 375,473,368,830,746,112/565,269,335.20
  6. Step 6: Final answer
    x = 664,237,993.20

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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.