Home / 1,507,568,872.50-2,261,354,134.95-689,107,217.22

Finding the Fourth Proportional to 1,507,568,872.50, 2,261,354,134.95 and 689,107,217.22

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Solution

The fourth proportional to 1,507,568,872.50, 2,261,354,134.95 and 689,107,217.22 is: 1,033,661,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,568,872.50 : 2,261,354,134.95 = 689,107,217.22 : x
  2. Step 2: Convert to fraction form
    1,507,568,872.50/2,261,354,134.95 = 689,107,217.22/x
  3. Step 3: Cross multiply
    1,507,568,872.50x = 2,261,354,134.95 × 689,107,217.22
  4. Step 4: Simplify right side
    1,507,568,872.50x = 1,558,315,455,084,334,848
  5. Step 5: Solve for x
    x = 1,558,315,455,084,334,848/1,507,568,872.50
  6. Step 6: Final answer
    x = 1,033,661,203.48

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Double scale
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1.5x scale

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.