Home / 2,650,375,963.77-3,661,012,158.47-1,980,156,166.89

Finding the Fourth Proportional to 2,650,375,963.77, 3,661,012,158.47 and 1,980,156,166.89

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Solution

The fourth proportional to 2,650,375,963.77, 3,661,012,158.47 and 1,980,156,166.89 is: 2,735,225,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,375,963.77 : 3,661,012,158.47 = 1,980,156,166.89 : x
  2. Step 2: Convert to fraction form
    2,650,375,963.77/3,661,012,158.47 = 1,980,156,166.89/x
  3. Step 3: Cross multiply
    2,650,375,963.77x = 3,661,012,158.47 × 1,980,156,166.89
  4. Step 4: Simplify right side
    2,650,375,963.77x = 7,249,375,802,643,740,672
  5. Step 5: Solve for x
    x = 7,249,375,802,643,740,672/2,650,375,963.77
  6. Step 6: Final answer
    x = 2,735,225,455.46

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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.