Home / 1,868,558,292.67-2,577,395,434.58-1,198,441,915.61

Finding the Fourth Proportional to 1,868,558,292.67, 2,577,395,434.58 and 1,198,441,915.61

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Solution

The fourth proportional to 1,868,558,292.67, 2,577,395,434.58 and 1,198,441,915.61 is: 1,653,070,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,558,292.67 : 2,577,395,434.58 = 1,198,441,915.61 : x
  2. Step 2: Convert to fraction form
    1,868,558,292.67/2,577,395,434.58 = 1,198,441,915.61/x
  3. Step 3: Cross multiply
    1,868,558,292.67x = 2,577,395,434.58 × 1,198,441,915.61
  4. Step 4: Simplify right side
    1,868,558,292.67x = 3,088,858,721,890,441,216
  5. Step 5: Solve for x
    x = 3,088,858,721,890,441,216/1,868,558,292.67
  6. Step 6: Final answer
    x = 1,653,070,569.97

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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.