Home / 407,821,028.90-611,731,543.35-367,006,360.10

Finding the Fourth Proportional to 407,821,028.90, 611,731,543.35 and 367,006,360.10

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Solution

The fourth proportional to 407,821,028.90, 611,731,543.35 and 367,006,360.10 is: 550,509,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,821,028.90 : 611,731,543.35 = 367,006,360.10 : x
  2. Step 2: Convert to fraction form
    407,821,028.90/611,731,543.35 = 367,006,360.10/x
  3. Step 3: Cross multiply
    407,821,028.90x = 611,731,543.35 × 367,006,360.10
  4. Step 4: Simplify right side
    407,821,028.90x = 224,509,367,083,238,880
  5. Step 5: Solve for x
    x = 224,509,367,083,238,880/407,821,028.90
  6. Step 6: Final answer
    x = 550,509,540.15

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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.