Home / 486,176,782.60-729,267,043.78-117,711,121.01

Finding the Fourth Proportional to 486,176,782.60, 729,267,043.78 and 117,711,121.01

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Solution

The fourth proportional to 486,176,782.60, 729,267,043.78 and 117,711,121.01 is: 176,567,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,176,782.60 : 729,267,043.78 = 117,711,121.01 : x
  2. Step 2: Convert to fraction form
    486,176,782.60/729,267,043.78 = 117,711,121.01/x
  3. Step 3: Cross multiply
    486,176,782.60x = 729,267,043.78 × 117,711,121.01
  4. Step 4: Simplify right side
    486,176,782.60x = 85,842,841,238,404,000
  5. Step 5: Solve for x
    x = 85,842,841,238,404,000/486,176,782.60
  6. Step 6: Final answer
    x = 176,567,134.24

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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.