Home / 939,810,659.17-1,296,862,784.27-543,359,197.58

Finding the Fourth Proportional to 939,810,659.17, 1,296,862,784.27 and 543,359,197.58

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Solution

The fourth proportional to 939,810,659.17, 1,296,862,784.27 and 543,359,197.58 is: 749,791,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,810,659.17 : 1,296,862,784.27 = 543,359,197.58 : x
  2. Step 2: Convert to fraction form
    939,810,659.17/1,296,862,784.27 = 543,359,197.58/x
  3. Step 3: Cross multiply
    939,810,659.17x = 1,296,862,784.27 × 543,359,197.58
  4. Step 4: Simplify right side
    939,810,659.17x = 704,662,321,832,311,936
  5. Step 5: Solve for x
    x = 704,662,321,832,311,936/939,810,659.17
  6. Step 6: Final answer
    x = 749,791,795.78

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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.