Home / 1,586,489,395.13-2,187,047,919.16-1,108,696,349.15

Finding the Fourth Proportional to 1,586,489,395.13, 2,187,047,919.16 and 1,108,696,349.15

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Solution

The fourth proportional to 1,586,489,395.13, 2,187,047,919.16 and 1,108,696,349.15 is: 1,528,388,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,489,395.13 : 2,187,047,919.16 = 1,108,696,349.15 : x
  2. Step 2: Convert to fraction form
    1,586,489,395.13/2,187,047,919.16 = 1,108,696,349.15/x
  3. Step 3: Cross multiply
    1,586,489,395.13x = 2,187,047,919.16 × 1,108,696,349.15
  4. Step 4: Simplify right side
    1,586,489,395.13x = 2,424,772,043,380,556,800
  5. Step 5: Solve for x
    x = 2,424,772,043,380,556,800/1,586,489,395.13
  6. Step 6: Final answer
    x = 1,528,388,434.76

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Double scale
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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.