Home / 1,507,568,863-2,261,354,120.70-689,107,207.72

Finding the Fourth Proportional to 1,507,568,863, 2,261,354,120.70 and 689,107,207.72

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Solution

The fourth proportional to 1,507,568,863, 2,261,354,120.70 and 689,107,207.72 is: 1,033,661,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,568,863 : 2,261,354,120.70 = 689,107,207.72 : x
  2. Step 2: Convert to fraction form
    1,507,568,863/2,261,354,120.70 = 689,107,207.72/x
  3. Step 3: Cross multiply
    1,507,568,863x = 2,261,354,120.70 × 689,107,207.72
  4. Step 4: Simplify right side
    1,507,568,863x = 1,558,315,423,781,692,672
  5. Step 5: Solve for x
    x = 1,558,315,423,781,692,672/1,507,568,863
  6. Step 6: Final answer
    x = 1,033,661,189.23

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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.