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Finding the Fourth Proportional to 21,843,756,042.60, 32,765,634,063.90 and 21,843,756,042.60

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Solution

The fourth proportional to 21,843,756,042.60, 32,765,634,063.90 and 21,843,756,042.60 is: 32,765,634,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843,756,042.60 : 32,765,634,063.90 = 21,843,756,042.60 : x
  2. Step 2: Convert to fraction form
    21,843,756,042.60/32,765,634,063.90 = 21,843,756,042.60/x
  3. Step 3: Cross multiply
    21,843,756,042.60x = 32,765,634,063.90 × 21,843,756,042.60
  4. Step 4: Simplify right side
    21,843,756,042.60x = 715,724,517,072,935,976,960
  5. Step 5: Solve for x
    x = 715,724,517,072,935,976,960/21,843,756,042.60
  6. Step 6: Final answer
    x = 32,765,634,063.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.