Home / 400,600,109.70-600,900,164.55-372,540,024.90

Finding the Fourth Proportional to 400,600,109.70, 600,900,164.55 and 372,540,024.90

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Solution

The fourth proportional to 400,600,109.70, 600,900,164.55 and 372,540,024.90 is: 558,810,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,600,109.70 : 600,900,164.55 = 372,540,024.90 : x
  2. Step 2: Convert to fraction form
    400,600,109.70/600,900,164.55 = 372,540,024.90/x
  3. Step 3: Cross multiply
    400,600,109.70x = 600,900,164.55 × 372,540,024.90
  4. Step 4: Simplify right side
    400,600,109.70x = 223,859,362,263,871,072
  5. Step 5: Solve for x
    x = 223,859,362,263,871,072/400,600,109.70
  6. Step 6: Final answer
    x = 558,810,037.35

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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.