Home / 303,615,995,972.20-455,332,302,671.10-91,323,772,827.64

Finding the Fourth Proportional to 303,615,995,972.20, 455,332,302,671.10 and 91,323,772,827.64

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Solution

The fourth proportional to 303,615,995,972.20, 455,332,302,671.10 and 91,323,772,827.64 is: 136,958,079,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,615,995,972.20 : 455,332,302,671.10 = 91,323,772,827.64 : x
  2. Step 2: Convert to fraction form
    303,615,995,972.20/455,332,302,671.10 = 91,323,772,827.64/x
  3. Step 3: Cross multiply
    303,615,995,972.20x = 455,332,302,671.10 × 91,323,772,827.64
  4. Step 4: Simplify right side
    303,615,995,972.20x = 41,582,663,770,221,752,352,768
  5. Step 5: Solve for x
    x = 41,582,663,770,221,752,352,768/303,615,995,972.20
  6. Step 6: Final answer
    x = 136,958,079,685.73

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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.