Home / 1,034,536,836.78-1,552,009,681.35-379,493,945.10

Finding the Fourth Proportional to 1,034,536,836.78, 1,552,009,681.35 and 379,493,945.10

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Solution

The fourth proportional to 1,034,536,836.78, 1,552,009,681.35 and 379,493,945.10 is: 569,315,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,536,836.78 : 1,552,009,681.35 = 379,493,945.10 : x
  2. Step 2: Convert to fraction form
    1,034,536,836.78/1,552,009,681.35 = 379,493,945.10/x
  3. Step 3: Cross multiply
    1,034,536,836.78x = 1,552,009,681.35 × 379,493,945.10
  4. Step 4: Simplify right side
    1,034,536,836.78x = 588,978,276,808,905,344
  5. Step 5: Solve for x
    x = 588,978,276,808,905,344/1,034,536,836.78
  6. Step 6: Final answer
    x = 569,315,906.28

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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.