Home / 648,659,418.82-895,145,561.30-351,294,822.16

Finding the Fourth Proportional to 648,659,418.82, 895,145,561.30 and 351,294,822.16

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Solution

The fourth proportional to 648,659,418.82, 895,145,561.30 and 351,294,822.16 is: 484,784,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,659,418.82 : 895,145,561.30 = 351,294,822.16 : x
  2. Step 2: Convert to fraction form
    648,659,418.82/895,145,561.30 = 351,294,822.16/x
  3. Step 3: Cross multiply
    648,659,418.82x = 895,145,561.30 × 351,294,822.16
  4. Step 4: Simplify right side
    648,659,418.82x = 314,460,000,764,196,864
  5. Step 5: Solve for x
    x = 314,460,000,764,196,864/648,659,418.82
  6. Step 6: Final answer
    x = 484,784,451.81

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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.