Home / 21,476,218,831.66-29,638,100,556.81-11,960,769,055.27

Finding the Fourth Proportional to 21,476,218,831.66, 29,638,100,556.81 and 11,960,769,055.27

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Solution

The fourth proportional to 21,476,218,831.66, 29,638,100,556.81 and 11,960,769,055.27 is: 16,506,372,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476,218,831.66 : 29,638,100,556.81 = 11,960,769,055.27 : x
  2. Step 2: Convert to fraction form
    21,476,218,831.66/29,638,100,556.81 = 11,960,769,055.27/x
  3. Step 3: Cross multiply
    21,476,218,831.66x = 29,638,100,556.81 × 11,960,769,055.27
  4. Step 4: Simplify right side
    21,476,218,831.66x = 354,494,475,996,725,444,608
  5. Step 5: Solve for x
    x = 354,494,475,996,725,444,608/21,476,218,831.66
  6. Step 6: Final answer
    x = 16,506,372,875.76

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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.