Home / 408,823,994.15-564,174,241.85-223,185,009.84

Finding the Fourth Proportional to 408,823,994.15, 564,174,241.85 and 223,185,009.84

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Solution

The fourth proportional to 408,823,994.15, 564,174,241.85 and 223,185,009.84 is: 307,993,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,823,994.15 : 564,174,241.85 = 223,185,009.84 : x
  2. Step 2: Convert to fraction form
    408,823,994.15/564,174,241.85 = 223,185,009.84/x
  3. Step 3: Cross multiply
    408,823,994.15x = 564,174,241.85 × 223,185,009.84
  4. Step 4: Simplify right side
    408,823,994.15x = 125,915,233,719,128,848
  5. Step 5: Solve for x
    x = 125,915,233,719,128,848/408,823,994.15
  6. Step 6: Final answer
    x = 307,993,746.75

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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.