Home / 12,331,687,913.28-17,017,746,172.56-6,692,903,851.68

Finding the Fourth Proportional to 12,331,687,913.28, 17,017,746,172.56 and 6,692,903,851.68

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Solution

The fourth proportional to 12,331,687,913.28, 17,017,746,172.56 and 6,692,903,851.68 is: 9,236,216,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,687,913.28 : 17,017,746,172.56 = 6,692,903,851.68 : x
  2. Step 2: Convert to fraction form
    12,331,687,913.28/17,017,746,172.56 = 6,692,903,851.68/x
  3. Step 3: Cross multiply
    12,331,687,913.28x = 17,017,746,172.56 × 6,692,903,851.68
  4. Step 4: Simplify right side
    12,331,687,913.28x = 113,898,138,905,239,404,544
  5. Step 5: Solve for x
    x = 113,898,138,905,239,404,544/12,331,687,913.28
  6. Step 6: Final answer
    x = 9,236,216,461.70

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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.