Home / 612,379,863.20-918,569,794.80-224,073,639.20

Finding the Fourth Proportional to 612,379,863.20, 918,569,794.80 and 224,073,639.20

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Solution

The fourth proportional to 612,379,863.20, 918,569,794.80 and 224,073,639.20 is: 336,110,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,379,863.20 : 918,569,794.80 = 224,073,639.20 : x
  2. Step 2: Convert to fraction form
    612,379,863.20/918,569,794.80 = 224,073,639.20/x
  3. Step 3: Cross multiply
    612,379,863.20x = 918,569,794.80 × 224,073,639.20
  4. Step 4: Simplify right side
    612,379,863.20x = 205,827,276,780,033,216
  5. Step 5: Solve for x
    x = 205,827,276,780,033,216/612,379,863.20
  6. Step 6: Final answer
    x = 336,110,458.80

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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.