Home / 383,819,141.70-575,728,712.55-314,944,388.10

Finding the Fourth Proportional to 383,819,141.70, 575,728,712.55 and 314,944,388.10

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Solution

The fourth proportional to 383,819,141.70, 575,728,712.55 and 314,944,388.10 is: 472,416,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,819,141.70 : 575,728,712.55 = 314,944,388.10 : x
  2. Step 2: Convert to fraction form
    383,819,141.70/575,728,712.55 = 314,944,388.10/x
  3. Step 3: Cross multiply
    383,819,141.70x = 575,728,712.55 × 314,944,388.10
  4. Step 4: Simplify right side
    383,819,141.70x = 181,322,527,085,660,544
  5. Step 5: Solve for x
    x = 181,322,527,085,660,544/383,819,141.70
  6. Step 6: Final answer
    x = 472,416,582.15

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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.