Home / 407,821,076.90-611,731,615.35-367,006,408.10

Finding the Fourth Proportional to 407,821,076.90, 611,731,615.35 and 367,006,408.10

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Solution

The fourth proportional to 407,821,076.90, 611,731,615.35 and 367,006,408.10 is: 550,509,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,821,076.90 : 611,731,615.35 = 367,006,408.10 : x
  2. Step 2: Convert to fraction form
    407,821,076.90/611,731,615.35 = 367,006,408.10/x
  3. Step 3: Cross multiply
    407,821,076.90x = 611,731,615.35 × 367,006,408.10
  4. Step 4: Simplify right side
    407,821,076.90x = 224,509,422,870,814,336
  5. Step 5: Solve for x
    x = 224,509,422,870,814,336/407,821,076.90
  6. Step 6: Final answer
    x = 550,509,612.15

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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.