Home / 1,241,177,987.16-1,861,206,715.06-355,660,803.24

Finding the Fourth Proportional to 1,241,177,987.16, 1,861,206,715.06 and 355,660,803.24

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Solution

The fourth proportional to 1,241,177,987.16, 1,861,206,715.06 and 355,660,803.24 is: 533,330,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,177,987.16 : 1,861,206,715.06 = 355,660,803.24 : x
  2. Step 2: Convert to fraction form
    1,241,177,987.16/1,861,206,715.06 = 355,660,803.24/x
  3. Step 3: Cross multiply
    1,241,177,987.16x = 1,861,206,715.06 × 355,660,803.24
  4. Step 4: Simplify right side
    1,241,177,987.16x = 661,958,275,273,921,408
  5. Step 5: Solve for x
    x = 661,958,275,273,921,408/1,241,177,987.16
  6. Step 6: Final answer
    x = 533,330,660.16

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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.