Home / 668,917,757.50-923,106,505.36-375,568,624.06

Finding the Fourth Proportional to 668,917,757.50, 923,106,505.36 and 375,568,624.06

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Solution

The fourth proportional to 668,917,757.50, 923,106,505.36 and 375,568,624.06 is: 518,284,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,917,757.50 : 923,106,505.36 = 375,568,624.06 : x
  2. Step 2: Convert to fraction form
    668,917,757.50/923,106,505.36 = 375,568,624.06/x
  3. Step 3: Cross multiply
    668,917,757.50x = 923,106,505.36 × 375,568,624.06
  4. Step 4: Simplify right side
    668,917,757.50x = 346,689,840,078,890,240
  5. Step 5: Solve for x
    x = 346,689,840,078,890,240/668,917,757.50
  6. Step 6: Final answer
    x = 518,284,701.21

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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.