Home / 387,096,598.20-580,644,897.30-384,409,212.60

Finding the Fourth Proportional to 387,096,598.20, 580,644,897.30 and 384,409,212.60

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Solution

The fourth proportional to 387,096,598.20, 580,644,897.30 and 384,409,212.60 is: 576,613,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,096,598.20 : 580,644,897.30 = 384,409,212.60 : x
  2. Step 2: Convert to fraction form
    387,096,598.20/580,644,897.30 = 384,409,212.60/x
  3. Step 3: Cross multiply
    387,096,598.20x = 580,644,897.30 × 384,409,212.60
  4. Step 4: Simplify right side
    387,096,598.20x = 223,205,247,771,300,864
  5. Step 5: Solve for x
    x = 223,205,247,771,300,864/387,096,598.20
  6. Step 6: Final answer
    x = 576,613,818.90

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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.