Home / 305,135,009,908.80-457,702,514,863.20-92,897,456,690.40

Finding the Fourth Proportional to 305,135,009,908.80, 457,702,514,863.20 and 92,897,456,690.40

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Solution

The fourth proportional to 305,135,009,908.80, 457,702,514,863.20 and 92,897,456,690.40 is: 139,346,185,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,135,009,908.80 : 457,702,514,863.20 = 92,897,456,690.40 : x
  2. Step 2: Convert to fraction form
    305,135,009,908.80/457,702,514,863.20 = 92,897,456,690.40/x
  3. Step 3: Cross multiply
    305,135,009,908.80x = 457,702,514,863.20 × 92,897,456,690.40
  4. Step 4: Simplify right side
    305,135,009,908.80x = 42,519,399,551,591,285,522,432
  5. Step 5: Solve for x
    x = 42,519,399,551,591,285,522,432/305,135,009,908.80
  6. Step 6: Final answer
    x = 139,346,185,035.60

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1.5x scale

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.