Home / 668,736,298.40-1,003,104,447.60-231,891,796.40

Finding the Fourth Proportional to 668,736,298.40, 1,003,104,447.60 and 231,891,796.40

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Solution

The fourth proportional to 668,736,298.40, 1,003,104,447.60 and 231,891,796.40 is: 347,837,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,736,298.40 : 1,003,104,447.60 = 231,891,796.40 : x
  2. Step 2: Convert to fraction form
    668,736,298.40/1,003,104,447.60 = 231,891,796.40/x
  3. Step 3: Cross multiply
    668,736,298.40x = 1,003,104,447.60 × 231,891,796.40
  4. Step 4: Simplify right side
    668,736,298.40x = 232,611,692,330,793,696
  5. Step 5: Solve for x
    x = 232,611,692,330,793,696/668,736,298.40
  6. Step 6: Final answer
    x = 347,837,694.60

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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.