Home / 256,608,979.20-384,913,468.80-241,492,435.20

Finding the Fourth Proportional to 256,608,979.20, 384,913,468.80 and 241,492,435.20

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Solution

The fourth proportional to 256,608,979.20, 384,913,468.80 and 241,492,435.20 is: 362,238,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608,979.20 : 384,913,468.80 = 241,492,435.20 : x
  2. Step 2: Convert to fraction form
    256,608,979.20/384,913,468.80 = 241,492,435.20/x
  3. Step 3: Cross multiply
    256,608,979.20x = 384,913,468.80 × 241,492,435.20
  4. Step 4: Simplify right side
    256,608,979.20x = 92,953,690,921,791,216
  5. Step 5: Solve for x
    x = 92,953,690,921,791,216/256,608,979.20
  6. Step 6: Final answer
    x = 362,238,652.80

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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.