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Finding the Fourth Proportional to 930,885,341,713.90, 1,396,328,012,570.90 and 930,885,341,713.90

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Solution

The fourth proportional to 930,885,341,713.90, 1,396,328,012,570.90 and 930,885,341,713.90 is: 1,396,328,012,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,885,341,713.90 : 1,396,328,012,570.90 = 930,885,341,713.90 : x
  2. Step 2: Convert to fraction form
    930,885,341,713.90/1,396,328,012,570.90 = 930,885,341,713.90/x
  3. Step 3: Cross multiply
    930,885,341,713.90x = 1,396,328,012,570.90 × 930,885,341,713.90
  4. Step 4: Simplify right side
    930,885,341,713.90x = 1,299,821,279,126,753,109,868,544
  5. Step 5: Solve for x
    x = 1,299,821,279,126,753,109,868,544/930,885,341,713.90
  6. Step 6: Final answer
    x = 1,396,328,012,570.90

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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.