Home / 19,867,059,395.77-27,411,829,568.85-11,292,811,129.91

Finding the Fourth Proportional to 19,867,059,395.77, 27,411,829,568.85 and 11,292,811,129.91

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Solution

The fourth proportional to 19,867,059,395.77, 27,411,829,568.85 and 11,292,811,129.91 is: 15,581,400,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867,059,395.77 : 27,411,829,568.85 = 11,292,811,129.91 : x
  2. Step 2: Convert to fraction form
    19,867,059,395.77/27,411,829,568.85 = 11,292,811,129.91/x
  3. Step 3: Cross multiply
    19,867,059,395.77x = 27,411,829,568.85 × 11,292,811,129.91
  4. Step 4: Simplify right side
    19,867,059,395.77x = 309,556,614,046,189,223,936
  5. Step 5: Solve for x
    x = 309,556,614,046,189,223,936/19,867,059,395.77
  6. Step 6: Final answer
    x = 15,581,400,743.79

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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.