Home / 1,255,815,955.52-1,884,007,724.21-415,456,727.82

Finding the Fourth Proportional to 1,255,815,955.52, 1,884,007,724.21 and 415,456,727.82

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Solution

The fourth proportional to 1,255,815,955.52, 1,884,007,724.21 and 415,456,727.82 is: 623,278,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,815,955.52 : 1,884,007,724.21 = 415,456,727.82 : x
  2. Step 2: Convert to fraction form
    1,255,815,955.52/1,884,007,724.21 = 415,456,727.82/x
  3. Step 3: Cross multiply
    1,255,815,955.52x = 1,884,007,724.21 × 415,456,727.82
  4. Step 4: Simplify right side
    1,255,815,955.52x = 782,723,684,285,814,272
  5. Step 5: Solve for x
    x = 782,723,684,285,814,272/1,255,815,955.52
  6. Step 6: Final answer
    x = 623,278,977.18

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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.