Home / 421,950,612.60-632,925,918.90-284,201,105.40

Finding the Fourth Proportional to 421,950,612.60, 632,925,918.90 and 284,201,105.40

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Solution

The fourth proportional to 421,950,612.60, 632,925,918.90 and 284,201,105.40 is: 426,301,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,950,612.60 : 632,925,918.90 = 284,201,105.40 : x
  2. Step 2: Convert to fraction form
    421,950,612.60/632,925,918.90 = 284,201,105.40/x
  3. Step 3: Cross multiply
    421,950,612.60x = 632,925,918.90 × 284,201,105.40
  4. Step 4: Simplify right side
    421,950,612.60x = 179,878,245,787,690,720
  5. Step 5: Solve for x
    x = 179,878,245,787,690,720/421,950,612.60
  6. Step 6: Final answer
    x = 426,301,658.10

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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.