Home / 289,708,373.82-400,850,311.95-252,616,000.62

Finding the Fourth Proportional to 289,708,373.82, 400,850,311.95 and 252,616,000.62

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Solution

The fourth proportional to 289,708,373.82, 400,850,311.95 and 252,616,000.62 is: 349,528,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,708,373.82 : 400,850,311.95 = 252,616,000.62 : x
  2. Step 2: Convert to fraction form
    289,708,373.82/400,850,311.95 = 252,616,000.62/x
  3. Step 3: Cross multiply
    289,708,373.82x = 400,850,311.95 × 252,616,000.62
  4. Step 4: Simplify right side
    289,708,373.82x = 101,261,202,652,088,400
  5. Step 5: Solve for x
    x = 101,261,202,652,088,400/289,708,373.82
  6. Step 6: Final answer
    x = 349,528,048.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.