Home / 3,720,981,662.56-5,133,341,327.52-2,214,763,386.40

Finding the Fourth Proportional to 3,720,981,662.56, 5,133,341,327.52 and 2,214,763,386.40

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Solution

The fourth proportional to 3,720,981,662.56, 5,133,341,327.52 and 2,214,763,386.40 is: 3,055,413,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,981,662.56 : 5,133,341,327.52 = 2,214,763,386.40 : x
  2. Step 2: Convert to fraction form
    3,720,981,662.56/5,133,341,327.52 = 2,214,763,386.40/x
  3. Step 3: Cross multiply
    3,720,981,662.56x = 5,133,341,327.52 × 2,214,763,386.40
  4. Step 4: Simplify right side
    3,720,981,662.56x = 11,369,136,422,085,267,456
  5. Step 5: Solve for x
    x = 11,369,136,422,085,267,456/3,720,981,662.56
  6. Step 6: Final answer
    x = 3,055,413,182.09

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Double scale
Find fourth proportional to 3,720,981,663.56, 5,133,341,328.90 and 2,214,763,387.40
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1.5x scale

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.