Home / 622,611,755.52-859,174,536-340,368,761.28

Finding the Fourth Proportional to 622,611,755.52, 859,174,536 and 340,368,761.28

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Solution

The fourth proportional to 622,611,755.52, 859,174,536 and 340,368,761.28 is: 469,692,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,611,755.52 : 859,174,536 = 340,368,761.28 : x
  2. Step 2: Convert to fraction form
    622,611,755.52/859,174,536 = 340,368,761.28/x
  3. Step 3: Cross multiply
    622,611,755.52x = 859,174,536 × 340,368,761.28
  4. Step 4: Simplify right side
    622,611,755.52x = 292,436,172,541,638,720
  5. Step 5: Solve for x
    x = 292,436,172,541,638,720/622,611,755.52
  6. Step 6: Final answer
    x = 469,692,661.52

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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.