Home / 668,736,310.40-1,003,104,465.60-231,891,808.40

Finding the Fourth Proportional to 668,736,310.40, 1,003,104,465.60 and 231,891,808.40

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Solution

The fourth proportional to 668,736,310.40, 1,003,104,465.60 and 231,891,808.40 is: 347,837,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,736,310.40 : 1,003,104,465.60 = 231,891,808.40 : x
  2. Step 2: Convert to fraction form
    668,736,310.40/1,003,104,465.60 = 231,891,808.40/x
  3. Step 3: Cross multiply
    668,736,310.40x = 1,003,104,465.60 × 231,891,808.40
  4. Step 4: Simplify right side
    668,736,310.40x = 232,611,708,542,099,616
  5. Step 5: Solve for x
    x = 232,611,708,542,099,616/668,736,310.40
  6. Step 6: Final answer
    x = 347,837,712.60

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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.