Home / 469,621,206.48-648,006,963.96-268,646,126.52

Finding the Fourth Proportional to 469,621,206.48, 648,006,963.96 and 268,646,126.52

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Solution

The fourth proportional to 469,621,206.48, 648,006,963.96 and 268,646,126.52 is: 370,691,439.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,621,206.48 : 648,006,963.96 = 268,646,126.52 : x
  2. Step 2: Convert to fraction form
    469,621,206.48/648,006,963.96 = 268,646,126.52/x
  3. Step 3: Cross multiply
    469,621,206.48x = 648,006,963.96 × 268,646,126.52
  4. Step 4: Simplify right side
    469,621,206.48x = 174,084,560,825,839,232
  5. Step 5: Solve for x
    x = 174,084,560,825,839,232/469,621,206.48
  6. Step 6: Final answer
    x = 370,691,439.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.