Home / 489,926,333.60-734,889,500.40-326,667,658.40

Finding the Fourth Proportional to 489,926,333.60, 734,889,500.40 and 326,667,658.40

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Solution

The fourth proportional to 489,926,333.60, 734,889,500.40 and 326,667,658.40 is: 490,001,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,926,333.60 : 734,889,500.40 = 326,667,658.40 : x
  2. Step 2: Convert to fraction form
    489,926,333.60/734,889,500.40 = 326,667,658.40/x
  3. Step 3: Cross multiply
    489,926,333.60x = 734,889,500.40 × 326,667,658.40
  4. Step 4: Simplify right side
    489,926,333.60x = 240,064,632,278,413,824
  5. Step 5: Solve for x
    x = 240,064,632,278,413,824/489,926,333.60
  6. Step 6: Final answer
    x = 490,001,487.60

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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.