Home / 1,078,273,335.20-1,617,410,002.80-863,282,487.20

Finding the Fourth Proportional to 1,078,273,335.20, 1,617,410,002.80 and 863,282,487.20

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Solution

The fourth proportional to 1,078,273,335.20, 1,617,410,002.80 and 863,282,487.20 is: 1,294,923,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,273,335.20 : 1,617,410,002.80 = 863,282,487.20 : x
  2. Step 2: Convert to fraction form
    1,078,273,335.20/1,617,410,002.80 = 863,282,487.20/x
  3. Step 3: Cross multiply
    1,078,273,335.20x = 1,617,410,002.80 × 863,282,487.20
  4. Step 4: Simplify right side
    1,078,273,335.20x = 1,396,281,730,039,343,104
  5. Step 5: Solve for x
    x = 1,396,281,730,039,343,104/1,078,273,335.20
  6. Step 6: Final answer
    x = 1,294,923,730.80

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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.