Home / 464,078,527,784.98-640,428,397,872.20-258,308,337,471.46

Finding the Fourth Proportional to 464,078,527,784.98, 640,428,397,872.20 and 258,308,337,471.46

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Solution

The fourth proportional to 464,078,527,784.98, 640,428,397,872.20 and 258,308,337,471.46 is: 356,465,522,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,078,527,784.98 : 640,428,397,872.20 = 258,308,337,471.46 : x
  2. Step 2: Convert to fraction form
    464,078,527,784.98/640,428,397,872.20 = 258,308,337,471.46/x
  3. Step 3: Cross multiply
    464,078,527,784.98x = 640,428,397,872.20 × 258,308,337,471.46
  4. Step 4: Simplify right side
    464,078,527,784.98x = 165,427,994,723,878,659,162,112
  5. Step 5: Solve for x
    x = 165,427,994,723,878,659,162,112/464,078,527,784.98
  6. Step 6: Final answer
    x = 356,465,522,146.56

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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.