Home / 818,185,344.78-1,128,761,517.75-604,117,022.58

Finding the Fourth Proportional to 818,185,344.78, 1,128,761,517.75 and 604,117,022.58

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Solution

The fourth proportional to 818,185,344.78, 1,128,761,517.75 and 604,117,022.58 is: 833,434,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,185,344.78 : 1,128,761,517.75 = 604,117,022.58 : x
  2. Step 2: Convert to fraction form
    818,185,344.78/1,128,761,517.75 = 604,117,022.58/x
  3. Step 3: Cross multiply
    818,185,344.78x = 1,128,761,517.75 × 604,117,022.58
  4. Step 4: Simplify right side
    818,185,344.78x = 681,904,047,306,011,904
  5. Step 5: Solve for x
    x = 681,904,047,306,011,904/818,185,344.78
  6. Step 6: Final answer
    x = 833,434,687.70

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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.