Home / 936,067,429.86-1,403,769,952.52-271,943,280.41

Finding the Fourth Proportional to 936,067,429.86, 1,403,769,952.52 and 271,943,280.41

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Solution

The fourth proportional to 936,067,429.86, 1,403,769,952.52 and 271,943,280.41 is: 407,818,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,067,429.86 : 1,403,769,952.52 = 271,943,280.41 : x
  2. Step 2: Convert to fraction form
    936,067,429.86/1,403,769,952.52 = 271,943,280.41/x
  3. Step 3: Cross multiply
    936,067,429.86x = 1,403,769,952.52 × 271,943,280.41
  4. Step 4: Simplify right side
    936,067,429.86x = 381,745,805,829,278,784
  5. Step 5: Solve for x
    x = 381,745,805,829,278,784/936,067,429.86
  6. Step 6: Final answer
    x = 407,818,703.71

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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.