Home / 348,018,062.28-480,128,998.40-199,259,680.92

Finding the Fourth Proportional to 348,018,062.28, 480,128,998.40 and 199,259,680.92

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Solution

The fourth proportional to 348,018,062.28, 480,128,998.40 and 199,259,680.92 is: 274,900,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,018,062.28 : 480,128,998.40 = 199,259,680.92 : x
  2. Step 2: Convert to fraction form
    348,018,062.28/480,128,998.40 = 199,259,680.92/x
  3. Step 3: Cross multiply
    348,018,062.28x = 480,128,998.40 × 199,259,680.92
  4. Step 4: Simplify right side
    348,018,062.28x = 95,670,351,021,623,184
  5. Step 5: Solve for x
    x = 95,670,351,021,623,184/348,018,062.28
  6. Step 6: Final answer
    x = 274,900,533.60

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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.