Home / 748,125,276.10-1,032,444,765.25-418,100,405.38

Finding the Fourth Proportional to 748,125,276.10, 1,032,444,765.25 and 418,100,405.38

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Solution

The fourth proportional to 748,125,276.10, 1,032,444,765.25 and 418,100,405.38 is: 576,996,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,125,276.10 : 1,032,444,765.25 = 418,100,405.38 : x
  2. Step 2: Convert to fraction form
    748,125,276.10/1,032,444,765.25 = 418,100,405.38/x
  3. Step 3: Cross multiply
    748,125,276.10x = 1,032,444,765.25 × 418,100,405.38
  4. Step 4: Simplify right side
    748,125,276.10x = 431,665,574,883,483,904
  5. Step 5: Solve for x
    x = 431,665,574,883,483,904/748,125,276.10
  6. Step 6: Final answer
    x = 576,996,378.38

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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.