Home / 252,768,030.20-379,152,045.30-143,550,999.80

Finding the Fourth Proportional to 252,768,030.20, 379,152,045.30 and 143,550,999.80

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Solution

The fourth proportional to 252,768,030.20, 379,152,045.30 and 143,550,999.80 is: 215,326,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,768,030.20 : 379,152,045.30 = 143,550,999.80 : x
  2. Step 2: Convert to fraction form
    252,768,030.20/379,152,045.30 = 143,550,999.80/x
  3. Step 3: Cross multiply
    252,768,030.20x = 379,152,045.30 × 143,550,999.80
  4. Step 4: Simplify right side
    252,768,030.20x = 54,427,655,179,029,896
  5. Step 5: Solve for x
    x = 54,427,655,179,029,896/252,768,030.20
  6. Step 6: Final answer
    x = 215,326,499.70

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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.