Home / 335,003,020.60-502,504,530.90-257,518,922.80

Finding the Fourth Proportional to 335,003,020.60, 502,504,530.90 and 257,518,922.80

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Solution

The fourth proportional to 335,003,020.60, 502,504,530.90 and 257,518,922.80 is: 386,278,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,003,020.60 : 502,504,530.90 = 257,518,922.80 : x
  2. Step 2: Convert to fraction form
    335,003,020.60/502,504,530.90 = 257,518,922.80/x
  3. Step 3: Cross multiply
    335,003,020.60x = 502,504,530.90 × 257,518,922.80
  4. Step 4: Simplify right side
    335,003,020.60x = 129,404,425,499,487,312
  5. Step 5: Solve for x
    x = 129,404,425,499,487,312/335,003,020.60
  6. Step 6: Final answer
    x = 386,278,384.20

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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.