Home / 404,517,559.80-558,028,575.90-245,705,421.72

Finding the Fourth Proportional to 404,517,559.80, 558,028,575.90 and 245,705,421.72

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Solution

The fourth proportional to 404,517,559.80, 558,028,575.90 and 245,705,421.72 is: 338,948,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,517,559.80 : 558,028,575.90 = 245,705,421.72 : x
  2. Step 2: Convert to fraction form
    404,517,559.80/558,028,575.90 = 245,705,421.72/x
  3. Step 3: Cross multiply
    404,517,559.80x = 558,028,575.90 × 245,705,421.72
  4. Step 4: Simplify right side
    404,517,559.80x = 137,110,646,573,320,528
  5. Step 5: Solve for x
    x = 137,110,646,573,320,528/404,517,559.80
  6. Step 6: Final answer
    x = 338,948,565.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.