Home / 417,459,718.45-576,105,661.59-245,612,794.01

Finding the Fourth Proportional to 417,459,718.45, 576,105,661.59 and 245,612,794.01

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Solution

The fourth proportional to 417,459,718.45, 576,105,661.59 and 245,612,794.01 is: 338,952,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,459,718.45 : 576,105,661.59 = 245,612,794.01 : x
  2. Step 2: Convert to fraction form
    417,459,718.45/576,105,661.59 = 245,612,794.01/x
  3. Step 3: Cross multiply
    417,459,718.45x = 576,105,661.59 × 245,612,794.01
  4. Step 4: Simplify right side
    417,459,718.45x = 141,498,921,188,099,440
  5. Step 5: Solve for x
    x = 141,498,921,188,099,440/417,459,718.45
  6. Step 6: Final answer
    x = 338,952,274.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.