Home / 303,615,995,973.20-455,332,302,672.60-91,323,772,828.64

Finding the Fourth Proportional to 303,615,995,973.20, 455,332,302,672.60 and 91,323,772,828.64

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Solution

The fourth proportional to 303,615,995,973.20, 455,332,302,672.60 and 91,323,772,828.64 is: 136,958,079,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,615,995,973.20 : 455,332,302,672.60 = 91,323,772,828.64 : x
  2. Step 2: Convert to fraction form
    303,615,995,973.20/455,332,302,672.60 = 91,323,772,828.64/x
  3. Step 3: Cross multiply
    303,615,995,973.20x = 455,332,302,672.60 × 91,323,772,828.64
  4. Step 4: Simplify right side
    303,615,995,973.20x = 41,582,663,770,814,071,963,648
  5. Step 5: Solve for x
    x = 41,582,663,770,814,071,963,648/303,615,995,973.20
  6. Step 6: Final answer
    x = 136,958,079,687.23

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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.