Home / 678,241,973.10-1,017,628,380.45-247,464,014.70

Finding the Fourth Proportional to 678,241,973.10, 1,017,628,380.45 and 247,464,014.70

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Solution

The fourth proportional to 678,241,973.10, 1,017,628,380.45 and 247,464,014.70 is: 371,292,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,241,973.10 : 1,017,628,380.45 = 247,464,014.70 : x
  2. Step 2: Convert to fraction form
    678,241,973.10/1,017,628,380.45 = 247,464,014.70/x
  3. Step 3: Cross multiply
    678,241,973.10x = 1,017,628,380.45 × 247,464,014.70
  4. Step 4: Simplify right side
    678,241,973.10x = 251,826,404,498,816,000
  5. Step 5: Solve for x
    x = 251,826,404,498,816,000/678,241,973.10
  6. Step 6: Final answer
    x = 371,292,863.74

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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.