Home / 2,679,301,960.69-3,697,439,771.09-1,489,845,391.28

Finding the Fourth Proportional to 2,679,301,960.69, 3,697,439,771.09 and 1,489,845,391.28

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Solution

The fourth proportional to 2,679,301,960.69, 3,697,439,771.09 and 1,489,845,391.28 is: 2,055,988,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,301,960.69 : 3,697,439,771.09 = 1,489,845,391.28 : x
  2. Step 2: Convert to fraction form
    2,679,301,960.69/3,697,439,771.09 = 1,489,845,391.28/x
  3. Step 3: Cross multiply
    2,679,301,960.69x = 3,697,439,771.09 × 1,489,845,391.28
  4. Step 4: Simplify right side
    2,679,301,960.69x = 5,508,613,602,493,814,784
  5. Step 5: Solve for x
    x = 5,508,613,602,493,814,784/2,679,301,960.69
  6. Step 6: Final answer
    x = 2,055,988,344.47

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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.