Home / 752,748,935.40-1,128,998,166.28-227,993,274.47

Finding the Fourth Proportional to 752,748,935.40, 1,128,998,166.28 and 227,993,274.47

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Solution

The fourth proportional to 752,748,935.40, 1,128,998,166.28 and 227,993,274.47 is: 341,951,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,748,935.40 : 1,128,998,166.28 = 227,993,274.47 : x
  2. Step 2: Convert to fraction form
    752,748,935.40/1,128,998,166.28 = 227,993,274.47/x
  3. Step 3: Cross multiply
    752,748,935.40x = 1,128,998,166.28 × 227,993,274.47
  4. Step 4: Simplify right side
    752,748,935.40x = 257,403,988,803,055,232
  5. Step 5: Solve for x
    x = 257,403,988,803,055,232/752,748,935.40
  6. Step 6: Final answer
    x = 341,951,979.87

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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.