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Finding the Fourth Proportional to 1,001,808,397.10, 1,399,665,211.30 and 1,001,808,397.10

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Solution

The fourth proportional to 1,001,808,397.10, 1,399,665,211.30 and 1,001,808,397.10 is: 1,399,665,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,808,397.10 : 1,399,665,211.30 = 1,001,808,397.10 : x
  2. Step 2: Convert to fraction form
    1,001,808,397.10/1,399,665,211.30 = 1,001,808,397.10/x
  3. Step 3: Cross multiply
    1,001,808,397.10x = 1,399,665,211.30 × 1,001,808,397.10
  4. Step 4: Simplify right side
    1,001,808,397.10x = 1,402,196,361,809,085,696
  5. Step 5: Solve for x
    x = 1,402,196,361,809,085,696/1,001,808,397.10
  6. Step 6: Final answer
    x = 1,399,665,211.30

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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.