Home / 1,489,528,037.36-2,055,472,719.36-820,458,679.04

Finding the Fourth Proportional to 1,489,528,037.36, 2,055,472,719.36 and 820,458,679.04

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Solution

The fourth proportional to 1,489,528,037.36, 2,055,472,719.36 and 820,458,679.04 is: 1,132,191,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,528,037.36 : 2,055,472,719.36 = 820,458,679.04 : x
  2. Step 2: Convert to fraction form
    1,489,528,037.36/2,055,472,719.36 = 820,458,679.04/x
  3. Step 3: Cross multiply
    1,489,528,037.36x = 2,055,472,719.36 × 820,458,679.04
  4. Step 4: Simplify right side
    1,489,528,037.36x = 1,686,430,432,128,861,952
  5. Step 5: Solve for x
    x = 1,686,430,432,128,861,952/1,489,528,037.36
  6. Step 6: Final answer
    x = 1,132,191,130.23

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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.