Home / 703,878,731.80-1,056,196,011.30-294,976,216.60

Finding the Fourth Proportional to 703,878,731.80, 1,056,196,011.30 and 294,976,216.60

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Solution

The fourth proportional to 703,878,731.80, 1,056,196,011.30 and 294,976,216.60 is: 442,622,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,878,731.80 : 1,056,196,011.30 = 294,976,216.60 : x
  2. Step 2: Convert to fraction form
    703,878,731.80/1,056,196,011.30 = 294,976,216.60/x
  3. Step 3: Cross multiply
    703,878,731.80x = 1,056,196,011.30 × 294,976,216.60
  4. Step 4: Simplify right side
    703,878,731.80x = 311,552,703,401,284,864
  5. Step 5: Solve for x
    x = 311,552,703,401,284,864/703,878,731.80
  6. Step 6: Final answer
    x = 442,622,698.10

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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.