Home / 436,900,913.40-654,910,470.90-218,214,910.20

Finding the Fourth Proportional to 436,900,913.40, 654,910,470.90 and 218,214,910.20

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Solution

The fourth proportional to 436,900,913.40, 654,910,470.90 and 218,214,910.20 is: 327,102,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,900,913.40 : 654,910,470.90 = 218,214,910.20 : x
  2. Step 2: Convert to fraction form
    436,900,913.40/654,910,470.90 = 218,214,910.20/x
  3. Step 3: Cross multiply
    436,900,913.40x = 654,910,470.90 × 218,214,910.20
  4. Step 4: Simplify right side
    436,900,913.40x = 142,911,229,596,483,200
  5. Step 5: Solve for x
    x = 142,911,229,596,483,200/436,900,913.40
  6. Step 6: Final answer
    x = 327,102,153.40

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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.