Home / 391,435,301.40-587,341,908.90-276,171,653.40

Finding the Fourth Proportional to 391,435,301.40, 587,341,908.90 and 276,171,653.40

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Solution

The fourth proportional to 391,435,301.40, 587,341,908.90 and 276,171,653.40 is: 414,390,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,435,301.40 : 587,341,908.90 = 276,171,653.40 : x
  2. Step 2: Convert to fraction form
    391,435,301.40/587,341,908.90 = 276,171,653.40/x
  3. Step 3: Cross multiply
    391,435,301.40x = 587,341,908.90 × 276,171,653.40
  4. Step 4: Simplify right side
    391,435,301.40x = 162,207,186,092,025,152
  5. Step 5: Solve for x
    x = 162,207,186,092,025,152/391,435,301.40
  6. Step 6: Final answer
    x = 414,390,795.90

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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.