Home / 352,285,422.60-528,428,133.90-279,726,011.40

Finding the Fourth Proportional to 352,285,422.60, 528,428,133.90 and 279,726,011.40

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Solution

The fourth proportional to 352,285,422.60, 528,428,133.90 and 279,726,011.40 is: 419,589,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,285,422.60 : 528,428,133.90 = 279,726,011.40 : x
  2. Step 2: Convert to fraction form
    352,285,422.60/528,428,133.90 = 279,726,011.40/x
  3. Step 3: Cross multiply
    352,285,422.60x = 528,428,133.90 × 279,726,011.40
  4. Step 4: Simplify right side
    352,285,422.60x = 147,815,094,207,392,096
  5. Step 5: Solve for x
    x = 147,815,094,207,392,096/352,285,422.60
  6. Step 6: Final answer
    x = 419,589,017.10

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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.