Home / 409,236,442,077.28-564,920,180,369.52-254,988,331,126.24

Finding the Fourth Proportional to 409,236,442,077.28, 564,920,180,369.52 and 254,988,331,126.24

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Solution

The fourth proportional to 409,236,442,077.28, 564,920,180,369.52 and 254,988,331,126.24 is: 351,992,245,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,236,442,077.28 : 564,920,180,369.52 = 254,988,331,126.24 : x
  2. Step 2: Convert to fraction form
    409,236,442,077.28/564,920,180,369.52 = 254,988,331,126.24/x
  3. Step 3: Cross multiply
    409,236,442,077.28x = 564,920,180,369.52 × 254,988,331,126.24
  4. Step 4: Simplify right side
    409,236,442,077.28x = 144,048,054,011,958,386,491,392
  5. Step 5: Solve for x
    x = 144,048,054,011,958,386,491,392/409,236,442,077.28
  6. Step 6: Final answer
    x = 351,992,245,071.75

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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.