Home / 20,798,044,188.14-28,701,300,982.56-11,887,564,259.90

Finding the Fourth Proportional to 20,798,044,188.14, 28,701,300,982.56 and 11,887,564,259.90

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Solution

The fourth proportional to 20,798,044,188.14, 28,701,300,982.56 and 11,887,564,259.90 is: 16,404,838,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,044,188.14 : 28,701,300,982.56 = 11,887,564,259.90 : x
  2. Step 2: Convert to fraction form
    20,798,044,188.14/28,701,300,982.56 = 11,887,564,259.90/x
  3. Step 3: Cross multiply
    20,798,044,188.14x = 28,701,300,982.56 × 11,887,564,259.90
  4. Step 4: Simplify right side
    20,798,044,188.14x = 341,188,559,772,913,041,408
  5. Step 5: Solve for x
    x = 341,188,559,772,913,041,408/20,798,044,188.14
  6. Step 6: Final answer
    x = 16,404,838,680.33

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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.