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Finding the Fourth Proportional to 694,117,906.77, 957,900,335.67 and 380,852,037.71

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Solution

The fourth proportional to 694,117,906.77, 957,900,335.67 and 380,852,037.71 is: 525,585,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,117,906.77 : 957,900,335.67 = 380,852,037.71 : x
  2. Step 2: Convert to fraction form
    694,117,906.77/957,900,335.67 = 380,852,037.71/x
  3. Step 3: Cross multiply
    694,117,906.77x = 957,900,335.67 × 380,852,037.71
  4. Step 4: Simplify right side
    694,117,906.77x = 364,818,294,761,815,104
  5. Step 5: Solve for x
    x = 364,818,294,761,815,104/694,117,906.77
  6. Step 6: Final answer
    x = 525,585,482.24

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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.