Home / 552,437,603.91-762,250,088.54-317,442,863.54

Finding the Fourth Proportional to 552,437,603.91, 762,250,088.54 and 317,442,863.54

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Solution

The fourth proportional to 552,437,603.91, 762,250,088.54 and 317,442,863.54 is: 438,005,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,437,603.91 : 762,250,088.54 = 317,442,863.54 : x
  2. Step 2: Convert to fraction form
    552,437,603.91/762,250,088.54 = 317,442,863.54/x
  3. Step 3: Cross multiply
    552,437,603.91x = 762,250,088.54 × 317,442,863.54
  4. Step 4: Simplify right side
    552,437,603.91x = 241,970,850,842,455,392
  5. Step 5: Solve for x
    x = 241,970,850,842,455,392/552,437,603.91
  6. Step 6: Final answer
    x = 438,005,756.90

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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.