Home / 460,990,137.88-691,486,387.80-188,360,904.88

Finding the Fourth Proportional to 460,990,137.88, 691,486,387.80 and 188,360,904.88

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Solution

The fourth proportional to 460,990,137.88, 691,486,387.80 and 188,360,904.88 is: 282,541,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,990,137.88 : 691,486,387.80 = 188,360,904.88 : x
  2. Step 2: Convert to fraction form
    460,990,137.88/691,486,387.80 = 188,360,904.88/x
  3. Step 3: Cross multiply
    460,990,137.88x = 691,486,387.80 × 188,360,904.88
  4. Step 4: Simplify right side
    460,990,137.88x = 130,249,001,716,481,872
  5. Step 5: Solve for x
    x = 130,249,001,716,481,872/460,990,137.88
  6. Step 6: Final answer
    x = 282,541,839.87

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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.