Home / 306,026,579.16-459,217,694.28-128,750,733.54

Finding the Fourth Proportional to 306,026,579.16, 459,217,694.28 and 128,750,733.54

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Solution

The fourth proportional to 306,026,579.16, 459,217,694.28 and 128,750,733.54 is: 193,200,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,026,579.16 : 459,217,694.28 = 128,750,733.54 : x
  2. Step 2: Convert to fraction form
    306,026,579.16/459,217,694.28 = 128,750,733.54/x
  3. Step 3: Cross multiply
    306,026,579.16x = 459,217,694.28 × 128,750,733.54
  4. Step 4: Simplify right side
    306,026,579.16x = 59,124,614,993,097,464
  5. Step 5: Solve for x
    x = 59,124,614,993,097,464/306,026,579.16
  6. Step 6: Final answer
    x = 193,200,914.62

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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.