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Finding the Fourth Proportional to 1,125,972,561.02, 1,553,842,109.51 and 624,180,073.14

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Solution

The fourth proportional to 1,125,972,561.02, 1,553,842,109.51 and 624,180,073.14 is: 861,368,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,972,561.02 : 1,553,842,109.51 = 624,180,073.14 : x
  2. Step 2: Convert to fraction form
    1,125,972,561.02/1,553,842,109.51 = 624,180,073.14/x
  3. Step 3: Cross multiply
    1,125,972,561.02x = 1,553,842,109.51 × 624,180,073.14
  4. Step 4: Simplify right side
    1,125,972,561.02x = 969,877,281,558,842,880
  5. Step 5: Solve for x
    x = 969,877,281,558,842,880/1,125,972,561.02
  6. Step 6: Final answer
    x = 861,368,487.24

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.