Home / 348,213,135.54-480,262,119.80-215,979,985.92

Finding the Fourth Proportional to 348,213,135.54, 480,262,119.80 and 215,979,985.92

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Solution

The fourth proportional to 348,213,135.54, 480,262,119.80 and 215,979,985.92 is: 297,883,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,213,135.54 : 480,262,119.80 = 215,979,985.92 : x
  2. Step 2: Convert to fraction form
    348,213,135.54/480,262,119.80 = 215,979,985.92/x
  3. Step 3: Cross multiply
    348,213,135.54x = 480,262,119.80 × 215,979,985.92
  4. Step 4: Simplify right side
    348,213,135.54x = 103,727,005,871,233,456
  5. Step 5: Solve for x
    x = 103,727,005,871,233,456/348,213,135.54
  6. Step 6: Final answer
    x = 297,883,667.46

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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.