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Finding the Fourth Proportional to 590,975,920.60, 886,463,880.90 and 268,489,648.60

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Solution

The fourth proportional to 590,975,920.60, 886,463,880.90 and 268,489,648.60 is: 402,734,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,975,920.60 : 886,463,880.90 = 268,489,648.60 : x
  2. Step 2: Convert to fraction form
    590,975,920.60/886,463,880.90 = 268,489,648.60/x
  3. Step 3: Cross multiply
    590,975,920.60x = 886,463,880.90 × 268,489,648.60
  4. Step 4: Simplify right side
    590,975,920.60x = 238,006,375,879,433,280
  5. Step 5: Solve for x
    x = 238,006,375,879,433,280/590,975,920.60
  6. Step 6: Final answer
    x = 402,734,472.90

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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.