Home / 460,990,119.69-691,486,360.52-188,360,886.69

Finding the Fourth Proportional to 460,990,119.69, 691,486,360.52 and 188,360,886.69

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Solution

The fourth proportional to 460,990,119.69, 691,486,360.52 and 188,360,886.69 is: 282,541,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,990,119.69 : 691,486,360.52 = 188,360,886.69 : x
  2. Step 2: Convert to fraction form
    460,990,119.69/691,486,360.52 = 188,360,886.69/x
  3. Step 3: Cross multiply
    460,990,119.69x = 691,486,360.52 × 188,360,886.69
  4. Step 4: Simplify right side
    460,990,119.69x = 130,248,984,000,646,400
  5. Step 5: Solve for x
    x = 130,248,984,000,646,400/460,990,119.69
  6. Step 6: Final answer
    x = 282,541,812.58

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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.