Home / 269,575,996.80-404,363,995.20-147,131,990.40

Finding the Fourth Proportional to 269,575,996.80, 404,363,995.20 and 147,131,990.40

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Solution

The fourth proportional to 269,575,996.80, 404,363,995.20 and 147,131,990.40 is: 220,697,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,575,996.80 : 404,363,995.20 = 147,131,990.40 : x
  2. Step 2: Convert to fraction form
    269,575,996.80/404,363,995.20 = 147,131,990.40/x
  3. Step 3: Cross multiply
    269,575,996.80x = 404,363,995.20 × 147,131,990.40
  4. Step 4: Simplify right side
    269,575,996.80x = 59,494,879,459,872,048
  5. Step 5: Solve for x
    x = 59,494,879,459,872,048/269,575,996.80
  6. Step 6: Final answer
    x = 220,697,985.60

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1.5x scale

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.