Home / 470,304,972.57-649,062,182.30-258,649,065.93

Finding the Fourth Proportional to 470,304,972.57, 649,062,182.30 and 258,649,065.93

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Solution

The fourth proportional to 470,304,972.57, 649,062,182.30 and 258,649,065.93 is: 356,958,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,304,972.57 : 649,062,182.30 = 258,649,065.93 : x
  2. Step 2: Convert to fraction form
    470,304,972.57/649,062,182.30 = 258,649,065.93/x
  3. Step 3: Cross multiply
    470,304,972.57x = 649,062,182.30 × 258,649,065.93
  4. Step 4: Simplify right side
    470,304,972.57x = 167,879,327,179,783,712
  5. Step 5: Solve for x
    x = 167,879,327,179,783,712/470,304,972.57
  6. Step 6: Final answer
    x = 356,958,435.43

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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.