Home / 1,024,538,912.21-1,413,864,171.63-554,640,233.02

Finding the Fourth Proportional to 1,024,538,912.21, 1,413,864,171.63 and 554,640,233.02

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Solution

The fourth proportional to 1,024,538,912.21, 1,413,864,171.63 and 554,640,233.02 is: 765,403,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,538,912.21 : 1,413,864,171.63 = 554,640,233.02 : x
  2. Step 2: Convert to fraction form
    1,024,538,912.21/1,413,864,171.63 = 554,640,233.02/x
  3. Step 3: Cross multiply
    1,024,538,912.21x = 1,413,864,171.63 × 554,640,233.02
  4. Step 4: Simplify right side
    1,024,538,912.21x = 784,185,953,607,957,888
  5. Step 5: Solve for x
    x = 784,185,953,607,957,888/1,024,538,912.21
  6. Step 6: Final answer
    x = 765,403,777.50

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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.