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Finding the Fourth Proportional to 22,015,762,615.90, 30,909,138,955.70 and 22,015,762,615.90

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Solution

The fourth proportional to 22,015,762,615.90, 30,909,138,955.70 and 22,015,762,615.90 is: 30,909,138,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015,762,615.90 : 30,909,138,955.70 = 22,015,762,615.90 : x
  2. Step 2: Convert to fraction form
    22,015,762,615.90/30,909,138,955.70 = 22,015,762,615.90/x
  3. Step 3: Cross multiply
    22,015,762,615.90x = 30,909,138,955.70 × 22,015,762,615.90
  4. Step 4: Simplify right side
    22,015,762,615.90x = 680,488,265,910,558,523,392
  5. Step 5: Solve for x
    x = 680,488,265,910,558,523,392/22,015,762,615.90
  6. Step 6: Final answer
    x = 30,909,138,955.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.