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Finding the Fourth Proportional to 620,590,227,777, 930,885,341,665.50 and 620,590,227,777

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Solution

The fourth proportional to 620,590,227,777, 930,885,341,665.50 and 620,590,227,777 is: 930,885,341,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,590,227,777 : 930,885,341,665.50 = 620,590,227,777 : x
  2. Step 2: Convert to fraction form
    620,590,227,777/930,885,341,665.50 = 620,590,227,777/x
  3. Step 3: Cross multiply
    620,590,227,777x = 930,885,341,665.50 × 620,590,227,777
  4. Step 4: Simplify right side
    620,590,227,777x = 577,698,346,218,463,082,577,920
  5. Step 5: Solve for x
    x = 577,698,346,218,463,082,577,920/620,590,227,777
  6. Step 6: Final answer
    x = 930,885,341,665.50

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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.