Home / 269,577,187.20-404,365,780.80-258,995,606.40

Finding the Fourth Proportional to 269,577,187.20, 404,365,780.80 and 258,995,606.40

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Solution

The fourth proportional to 269,577,187.20, 404,365,780.80 and 258,995,606.40 is: 388,493,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,577,187.20 : 404,365,780.80 = 258,995,606.40 : x
  2. Step 2: Convert to fraction form
    269,577,187.20/404,365,780.80 = 258,995,606.40/x
  3. Step 3: Cross multiply
    269,577,187.20x = 404,365,780.80 × 258,995,606.40
  4. Step 4: Simplify right side
    269,577,187.20x = 104,728,960,605,705,488
  5. Step 5: Solve for x
    x = 104,728,960,605,705,488/269,577,187.20
  6. Step 6: Final answer
    x = 388,493,409.60

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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.