Home / 326,412,039.60-489,618,059.40-252,435,452.40

Finding the Fourth Proportional to 326,412,039.60, 489,618,059.40 and 252,435,452.40

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Solution

The fourth proportional to 326,412,039.60, 489,618,059.40 and 252,435,452.40 is: 378,653,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,412,039.60 : 489,618,059.40 = 252,435,452.40 : x
  2. Step 2: Convert to fraction form
    326,412,039.60/489,618,059.40 = 252,435,452.40/x
  3. Step 3: Cross multiply
    326,412,039.60x = 489,618,059.40 × 252,435,452.40
  4. Step 4: Simplify right side
    326,412,039.60x = 123,596,956,327,849,072
  5. Step 5: Solve for x
    x = 123,596,956,327,849,072/326,412,039.60
  6. Step 6: Final answer
    x = 378,653,178.60

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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.