Home / 433,107,301.20-649,660,951.80-214,673,240.40

Finding the Fourth Proportional to 433,107,301.20, 649,660,951.80 and 214,673,240.40

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Solution

The fourth proportional to 433,107,301.20, 649,660,951.80 and 214,673,240.40 is: 322,009,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,107,301.20 : 649,660,951.80 = 214,673,240.40 : x
  2. Step 2: Convert to fraction form
    433,107,301.20/649,660,951.80 = 214,673,240.40/x
  3. Step 3: Cross multiply
    433,107,301.20x = 649,660,951.80 × 214,673,240.40
  4. Step 4: Simplify right side
    433,107,301.20x = 139,464,821,684,254,208
  5. Step 5: Solve for x
    x = 139,464,821,684,254,208/433,107,301.20
  6. Step 6: Final answer
    x = 322,009,860.60

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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.