Home / 449,325,686.40-673,988,529.60-372,735,196.80

Finding the Fourth Proportional to 449,325,686.40, 673,988,529.60 and 372,735,196.80

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Solution

The fourth proportional to 449,325,686.40, 673,988,529.60 and 372,735,196.80 is: 559,102,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,325,686.40 : 673,988,529.60 = 372,735,196.80 : x
  2. Step 2: Convert to fraction form
    449,325,686.40/673,988,529.60 = 372,735,196.80/x
  3. Step 3: Cross multiply
    449,325,686.40x = 673,988,529.60 × 372,735,196.80
  4. Step 4: Simplify right side
    449,325,686.40x = 251,219,247,221,398,656
  5. Step 5: Solve for x
    x = 251,219,247,221,398,656/449,325,686.40
  6. Step 6: Final answer
    x = 559,102,795.20

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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.