Home / 1,427,258,656.20-2,142,989,576.82-798,223,137.06

Finding the Fourth Proportional to 1,427,258,656.20, 2,142,989,576.82 and 798,223,137.06

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Solution

The fourth proportional to 1,427,258,656.20, 2,142,989,576.82 and 798,223,137.06 is: 1,198,510,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,258,656.20 : 2,142,989,576.82 = 798,223,137.06 : x
  2. Step 2: Convert to fraction form
    1,427,258,656.20/2,142,989,576.82 = 798,223,137.06/x
  3. Step 3: Cross multiply
    1,427,258,656.20x = 2,142,989,576.82 × 798,223,137.06
  4. Step 4: Simplify right side
    1,427,258,656.20x = 1,710,583,862,696,142,080
  5. Step 5: Solve for x
    x = 1,710,583,862,696,142,080/1,427,258,656.20
  6. Step 6: Final answer
    x = 1,198,510,063.52

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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.