Home / 408,660,504.21-563,943,626.60-223,022,848.50

Finding the Fourth Proportional to 408,660,504.21, 563,943,626.60 and 223,022,848.50

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Solution

The fourth proportional to 408,660,504.21, 563,943,626.60 and 223,022,848.50 is: 307,767,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,660,504.21 : 563,943,626.60 = 223,022,848.50 : x
  2. Step 2: Convert to fraction form
    408,660,504.21/563,943,626.60 = 223,022,848.50/x
  3. Step 3: Cross multiply
    408,660,504.21x = 563,943,626.60 × 223,022,848.50
  4. Step 4: Simplify right side
    408,660,504.21x = 125,772,313,996,637,264
  5. Step 5: Solve for x
    x = 125,772,313,996,637,264/408,660,504.21
  6. Step 6: Final answer
    x = 307,767,236.38

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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.