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Finding the Fourth Proportional to 8,074,411,209.70, 12,111,616,814.55 and 8,074,411,209.70

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Solution

The fourth proportional to 8,074,411,209.70, 12,111,616,814.55 and 8,074,411,209.70 is: 12,111,616,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074,411,209.70 : 12,111,616,814.55 = 8,074,411,209.70 : x
  2. Step 2: Convert to fraction form
    8,074,411,209.70/12,111,616,814.55 = 8,074,411,209.70/x
  3. Step 3: Cross multiply
    8,074,411,209.70x = 12,111,616,814.55 × 8,074,411,209.70
  4. Step 4: Simplify right side
    8,074,411,209.70x = 97,794,174,574,993,522,688
  5. Step 5: Solve for x
    x = 97,794,174,574,993,522,688/8,074,411,209.70
  6. Step 6: Final answer
    x = 12,111,616,814.55

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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.