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Finding the Fourth Proportional to 747,317,066.85, 1,120,975,600.28 and 747,317,066.85

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Solution

The fourth proportional to 747,317,066.85, 1,120,975,600.28 and 747,317,066.85 is: 1,120,975,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,317,066.85 : 1,120,975,600.28 = 747,317,066.85 : x
  2. Step 2: Convert to fraction form
    747,317,066.85/1,120,975,600.28 = 747,317,066.85/x
  3. Step 3: Cross multiply
    747,317,066.85x = 1,120,975,600.28 × 747,317,066.85
  4. Step 4: Simplify right side
    747,317,066.85x = 837,724,197,607,931,136
  5. Step 5: Solve for x
    x = 837,724,197,607,931,136/747,317,066.85
  6. Step 6: Final answer
    x = 1,120,975,600.28

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Double scale
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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.