Home / 19,975,897,262.28-27,544,651,869.78-12,730,472,743.80

Finding the Fourth Proportional to 19,975,897,262.28, 27,544,651,869.78 and 12,730,472,743.80

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Solution

The fourth proportional to 19,975,897,262.28, 27,544,651,869.78 and 12,730,472,743.80 is: 17,553,976,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975,897,262.28 : 27,544,651,869.78 = 12,730,472,743.80 : x
  2. Step 2: Convert to fraction form
    19,975,897,262.28/27,544,651,869.78 = 12,730,472,743.80/x
  3. Step 3: Cross multiply
    19,975,897,262.28x = 27,544,651,869.78 × 12,730,472,743.80
  4. Step 4: Simplify right side
    19,975,897,262.28x = 350,656,439,865,693,962,240
  5. Step 5: Solve for x
    x = 350,656,439,865,693,962,240/19,975,897,262.28
  6. Step 6: Final answer
    x = 17,553,976,938.39

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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.