Home / 72,641,354,515.20-108,962,031,772.80-44,601,677,049.60

Finding the Fourth Proportional to 72,641,354,515.20, 108,962,031,772.80 and 44,601,677,049.60

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Solution

The fourth proportional to 72,641,354,515.20, 108,962,031,772.80 and 44,601,677,049.60 is: 66,902,515,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,641,354,515.20 : 108,962,031,772.80 = 44,601,677,049.60 : x
  2. Step 2: Convert to fraction form
    72,641,354,515.20/108,962,031,772.80 = 44,601,677,049.60/x
  3. Step 3: Cross multiply
    72,641,354,515.20x = 108,962,031,772.80 × 44,601,677,049.60
  4. Step 4: Simplify right side
    72,641,354,515.20x = 4,859,889,351,798,679,404,544
  5. Step 5: Solve for x
    x = 4,859,889,351,798,679,404,544/72,641,354,515.20
  6. Step 6: Final answer
    x = 66,902,515,574.40

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1.5x scale

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.