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Finding the Fourth Proportional to 999,842,627.70, 1,396,335,941.10 and 999,842,627.70

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Solution

The fourth proportional to 999,842,627.70, 1,396,335,941.10 and 999,842,627.70 is: 1,396,335,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,842,627.70 : 1,396,335,941.10 = 999,842,627.70 : x
  2. Step 2: Convert to fraction form
    999,842,627.70/1,396,335,941.10 = 999,842,627.70/x
  3. Step 3: Cross multiply
    999,842,627.70x = 1,396,335,941.10 × 999,842,627.70
  4. Step 4: Simplify right side
    999,842,627.70x = 1,396,116,196,501,376,512
  5. Step 5: Solve for x
    x = 1,396,116,196,501,376,512/999,842,627.70
  6. Step 6: Final answer
    x = 1,396,335,941.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.