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Finding the Fourth Proportional to 1,130,804,654.40, 1,696,206,981.60 and 1,130,804,654.40

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Solution

The fourth proportional to 1,130,804,654.40, 1,696,206,981.60 and 1,130,804,654.40 is: 1,696,206,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,804,654.40 : 1,696,206,981.60 = 1,130,804,654.40 : x
  2. Step 2: Convert to fraction form
    1,130,804,654.40/1,696,206,981.60 = 1,130,804,654.40/x
  3. Step 3: Cross multiply
    1,130,804,654.40x = 1,696,206,981.60 × 1,130,804,654.40
  4. Step 4: Simplify right side
    1,130,804,654.40x = 1,918,078,749,619,055,104
  5. Step 5: Solve for x
    x = 1,918,078,749,619,055,104/1,130,804,654.40
  6. Step 6: Final answer
    x = 1,696,206,981.60

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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.