Home / 299,448,005.80-449,138,831.10-245,501,228.20

Finding the Fourth Proportional to 299,448,005.80, 449,138,831.10 and 245,501,228.20

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Solution

The fourth proportional to 299,448,005.80, 449,138,831.10 and 245,501,228.20 is: 368,224,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,448,005.80 : 449,138,831.10 = 245,501,228.20 : x
  2. Step 2: Convert to fraction form
    299,448,005.80/449,138,831.10 = 245,501,228.20/x
  3. Step 3: Cross multiply
    299,448,005.80x = 449,138,831.10 × 245,501,228.20
  4. Step 4: Simplify right side
    299,448,005.80x = 110,264,134,667,362,352
  5. Step 5: Solve for x
    x = 110,264,134,667,362,352/299,448,005.80
  6. Step 6: Final answer
    x = 368,224,641.78

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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.