Home / 648,012,262.42-894,259,293.34-350,654,507.66

Finding the Fourth Proportional to 648,012,262.42, 894,259,293.34 and 350,654,507.66

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Solution

The fourth proportional to 648,012,262.42, 894,259,293.34 and 350,654,507.66 is: 483,904,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,012,262.42 : 894,259,293.34 = 350,654,507.66 : x
  2. Step 2: Convert to fraction form
    648,012,262.42/894,259,293.34 = 350,654,507.66/x
  3. Step 3: Cross multiply
    648,012,262.42x = 894,259,293.34 × 350,654,507.66
  4. Step 4: Simplify right side
    648,012,262.42x = 313,576,052,226,517,248
  5. Step 5: Solve for x
    x = 313,576,052,226,517,248/648,012,262.42
  6. Step 6: Final answer
    x = 483,904,503.68

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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.