Home / 405,476,010.14-559,568,698.21-229,260,222.10

Finding the Fourth Proportional to 405,476,010.14, 559,568,698.21 and 229,260,222.10

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Solution

The fourth proportional to 405,476,010.14, 559,568,698.21 and 229,260,222.10 is: 316,385,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,476,010.14 : 559,568,698.21 = 229,260,222.10 : x
  2. Step 2: Convert to fraction form
    405,476,010.14/559,568,698.21 = 229,260,222.10/x
  3. Step 3: Cross multiply
    405,476,010.14x = 559,568,698.21 × 229,260,222.10
  4. Step 4: Simplify right side
    405,476,010.14x = 128,286,844,030,349,392
  5. Step 5: Solve for x
    x = 128,286,844,030,349,392/405,476,010.14
  6. Step 6: Final answer
    x = 316,385,780.72

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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.