Home / 580,349,828.90-869,391,002.55-349,633,576.10

Finding the Fourth Proportional to 580,349,828.90, 869,391,002.55 and 349,633,576.10

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Solution

The fourth proportional to 580,349,828.90, 869,391,002.55 and 349,633,576.10 is: 523,767,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,349,828.90 : 869,391,002.55 = 349,633,576.10 : x
  2. Step 2: Convert to fraction form
    580,349,828.90/869,391,002.55 = 349,633,576.10/x
  3. Step 3: Cross multiply
    580,349,828.90x = 869,391,002.55 × 349,633,576.10
  4. Step 4: Simplify right side
    580,349,828.90x = 303,968,285,250,720,704
  5. Step 5: Solve for x
    x = 303,968,285,250,720,704/580,349,828.90
  6. Step 6: Final answer
    x = 523,767,338.45

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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.