Home / 994,661,569.20-1,493,336,046.60-631,864,513.20

Finding the Fourth Proportional to 994,661,569.20, 1,493,336,046.60 and 631,864,513.20

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Solution

The fourth proportional to 994,661,569.20, 1,493,336,046.60 and 631,864,513.20 is: 948,650,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,661,569.20 : 1,493,336,046.60 = 631,864,513.20 : x
  2. Step 2: Convert to fraction form
    994,661,569.20/1,493,336,046.60 = 631,864,513.20/x
  3. Step 3: Cross multiply
    994,661,569.20x = 1,493,336,046.60 × 631,864,513.20
  4. Step 4: Simplify right side
    994,661,569.20x = 943,586,054,128,921,472
  5. Step 5: Solve for x
    x = 943,586,054,128,921,472/994,661,569.20
  6. Step 6: Final answer
    x = 948,650,358.42

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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.