Home / 498,204,837.80-747,307,256.70-265,752,544.40

Finding the Fourth Proportional to 498,204,837.80, 747,307,256.70 and 265,752,544.40

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Solution

The fourth proportional to 498,204,837.80, 747,307,256.70 and 265,752,544.40 is: 398,628,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,204,837.80 : 747,307,256.70 = 265,752,544.40 : x
  2. Step 2: Convert to fraction form
    498,204,837.80/747,307,256.70 = 265,752,544.40/x
  3. Step 3: Cross multiply
    498,204,837.80x = 747,307,256.70 × 265,752,544.40
  4. Step 4: Simplify right side
    498,204,837.80x = 198,598,804,916,608,960
  5. Step 5: Solve for x
    x = 198,598,804,916,608,960/498,204,837.80
  6. Step 6: Final answer
    x = 398,628,816.60

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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.