Home / 1,158,963,991.13-1,738,456,747.72-329,917,604.71

Finding the Fourth Proportional to 1,158,963,991.13, 1,738,456,747.72 and 329,917,604.71

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Solution

The fourth proportional to 1,158,963,991.13, 1,738,456,747.72 and 329,917,604.71 is: 494,879,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,963,991.13 : 1,738,456,747.72 = 329,917,604.71 : x
  2. Step 2: Convert to fraction form
    1,158,963,991.13/1,738,456,747.72 = 329,917,604.71/x
  3. Step 3: Cross multiply
    1,158,963,991.13x = 1,738,456,747.72 × 329,917,604.71
  4. Step 4: Simplify right side
    1,158,963,991.13x = 573,547,486,096,197,824
  5. Step 5: Solve for x
    x = 573,547,486,096,197,824/1,158,963,991.13
  6. Step 6: Final answer
    x = 494,879,470.36

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Double scale
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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.