Home / 638,258,899.17-956,047,605.49-404,969,528.27

Finding the Fourth Proportional to 638,258,899.17, 956,047,605.49 and 404,969,528.27

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Solution

The fourth proportional to 638,258,899.17, 956,047,605.49 and 404,969,528.27 is: 606,603,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,258,899.17 : 956,047,605.49 = 404,969,528.27 : x
  2. Step 2: Convert to fraction form
    638,258,899.17/956,047,605.49 = 404,969,528.27/x
  3. Step 3: Cross multiply
    638,258,899.17x = 956,047,605.49 × 404,969,528.27
  4. Step 4: Simplify right side
    638,258,899.17x = 387,170,147,796,923,520
  5. Step 5: Solve for x
    x = 387,170,147,796,923,520/638,258,899.17
  6. Step 6: Final answer
    x = 606,603,602.87

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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.