Home / 436,901,372.40-654,911,159.40-218,215,369.20

Finding the Fourth Proportional to 436,901,372.40, 654,911,159.40 and 218,215,369.20

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Solution

The fourth proportional to 436,901,372.40, 654,911,159.40 and 218,215,369.20 is: 327,102,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,901,372.40 : 654,911,159.40 = 218,215,369.20 : x
  2. Step 2: Convert to fraction form
    436,901,372.40/654,911,159.40 = 218,215,369.20/x
  3. Step 3: Cross multiply
    436,901,372.40x = 654,911,159.40 × 218,215,369.20
  4. Step 4: Simplify right side
    436,901,372.40x = 142,911,680,441,671,040
  5. Step 5: Solve for x
    x = 142,911,680,441,671,040/436,901,372.40
  6. Step 6: Final answer
    x = 327,102,841.67

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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.