Home / 211,335,999.60-317,003,999.40-194,707,801.20

Finding the Fourth Proportional to 211,335,999.60, 317,003,999.40 and 194,707,801.20

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Solution

The fourth proportional to 211,335,999.60, 317,003,999.40 and 194,707,801.20 is: 292,061,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,335,999.60 : 317,003,999.40 = 194,707,801.20 : x
  2. Step 2: Convert to fraction form
    211,335,999.60/317,003,999.40 = 194,707,801.20/x
  3. Step 3: Cross multiply
    211,335,999.60x = 317,003,999.40 × 194,707,801.20
  4. Step 4: Simplify right side
    211,335,999.60x = 61,723,151,694,780,112
  5. Step 5: Solve for x
    x = 61,723,151,694,780,112/211,335,999.60
  6. Step 6: Final answer
    x = 292,061,701.80

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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.