Home / 280,445,544,406.08-387,204,831,250.96-177,653,882,520.90

Finding the Fourth Proportional to 280,445,544,406.08, 387,204,831,250.96 and 177,653,882,520.90

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Solution

The fourth proportional to 280,445,544,406.08, 387,204,831,250.96 and 177,653,882,520.90 is: 245,282,704,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,445,544,406.08 : 387,204,831,250.96 = 177,653,882,520.90 : x
  2. Step 2: Convert to fraction form
    280,445,544,406.08/387,204,831,250.96 = 177,653,882,520.90/x
  3. Step 3: Cross multiply
    280,445,544,406.08x = 387,204,831,250.96 × 177,653,882,520.90
  4. Step 4: Simplify right side
    280,445,544,406.08x = 68,788,441,602,582,959,357,952
  5. Step 5: Solve for x
    x = 68,788,441,602,582,959,357,952/280,445,544,406.08
  6. Step 6: Final answer
    x = 245,282,704,520.27

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1.5x scale

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.