Home / 460,990,131.22-691,486,377.81-188,360,898.22

Finding the Fourth Proportional to 460,990,131.22, 691,486,377.81 and 188,360,898.22

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Solution

The fourth proportional to 460,990,131.22, 691,486,377.81 and 188,360,898.22 is: 282,541,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,990,131.22 : 691,486,377.81 = 188,360,898.22 : x
  2. Step 2: Convert to fraction form
    460,990,131.22/691,486,377.81 = 188,360,898.22/x
  3. Step 3: Cross multiply
    460,990,131.22x = 691,486,377.81 × 188,360,898.22
  4. Step 4: Simplify right side
    460,990,131.22x = 130,248,995,232,402,464
  5. Step 5: Solve for x
    x = 130,248,995,232,402,464/460,990,131.22
  6. Step 6: Final answer
    x = 282,541,829.88

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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.