Home / 407,872,846.48-611,373,682.79-232,618,515.24

Finding the Fourth Proportional to 407,872,846.48, 611,373,682.79 and 232,618,515.24

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Solution

The fourth proportional to 407,872,846.48, 611,373,682.79 and 232,618,515.24 is: 348,679,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,872,846.48 : 611,373,682.79 = 232,618,515.24 : x
  2. Step 2: Convert to fraction form
    407,872,846.48/611,373,682.79 = 232,618,515.24/x
  3. Step 3: Cross multiply
    407,872,846.48x = 611,373,682.79 × 232,618,515.24
  4. Step 4: Simplify right side
    407,872,846.48x = 142,216,838,347,420,544
  5. Step 5: Solve for x
    x = 142,216,838,347,420,544/407,872,846.48
  6. Step 6: Final answer
    x = 348,679,348.42

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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.