Home / 459,856,018.34-689,750,661.62-179,684,251.88

Finding the Fourth Proportional to 459,856,018.34, 689,750,661.62 and 179,684,251.88

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Solution

The fourth proportional to 459,856,018.34, 689,750,661.62 and 179,684,251.88 is: 269,513,340.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,856,018.34 : 689,750,661.62 = 179,684,251.88 : x
  2. Step 2: Convert to fraction form
    459,856,018.34/689,750,661.62 = 179,684,251.88/x
  3. Step 3: Cross multiply
    459,856,018.34x = 689,750,661.62 × 179,684,251.88
  4. Step 4: Simplify right side
    459,856,018.34x = 123,937,331,616,924,720
  5. Step 5: Solve for x
    x = 123,937,331,616,924,720/459,856,018.34
  6. Step 6: Final answer
    x = 269,513,340.42

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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.