Home / 658,964,181.56-909,384,463.20-361,603,822.68

Finding the Fourth Proportional to 658,964,181.56, 909,384,463.20 and 361,603,822.68

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Solution

The fourth proportional to 658,964,181.56, 909,384,463.20 and 361,603,822.68 is: 499,020,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,964,181.56 : 909,384,463.20 = 361,603,822.68 : x
  2. Step 2: Convert to fraction form
    658,964,181.56/909,384,463.20 = 361,603,822.68/x
  3. Step 3: Cross multiply
    658,964,181.56x = 909,384,463.20 × 361,603,822.68
  4. Step 4: Simplify right side
    658,964,181.56x = 328,836,898,178,919,808
  5. Step 5: Solve for x
    x = 328,836,898,178,919,808/658,964,181.56
  6. Step 6: Final answer
    x = 499,020,898.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.