Home / 330,879,436.80-496,319,155.20-185,760,614.40

Finding the Fourth Proportional to 330,879,436.80, 496,319,155.20 and 185,760,614.40

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Solution

The fourth proportional to 330,879,436.80, 496,319,155.20 and 185,760,614.40 is: 278,640,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,879,436.80 : 496,319,155.20 = 185,760,614.40 : x
  2. Step 2: Convert to fraction form
    330,879,436.80/496,319,155.20 = 185,760,614.40/x
  3. Step 3: Cross multiply
    330,879,436.80x = 496,319,155.20 × 185,760,614.40
  4. Step 4: Simplify right side
    330,879,436.80x = 92,196,551,208,440,960
  5. Step 5: Solve for x
    x = 92,196,551,208,440,960/330,879,436.80
  6. Step 6: Final answer
    x = 278,640,921.60

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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.