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Finding the Fourth Proportional to 1,078,983,572.85, 1,618,475,359.28 and 1,078,983,572.85

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Solution

The fourth proportional to 1,078,983,572.85, 1,618,475,359.28 and 1,078,983,572.85 is: 1,618,475,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,983,572.85 : 1,618,475,359.28 = 1,078,983,572.85 : x
  2. Step 2: Convert to fraction form
    1,078,983,572.85/1,618,475,359.28 = 1,078,983,572.85/x
  3. Step 3: Cross multiply
    1,078,983,572.85x = 1,618,475,359.28 × 1,078,983,572.85
  4. Step 4: Simplify right side
    1,078,983,572.85x = 1,746,308,325,720,226,816
  5. Step 5: Solve for x
    x = 1,746,308,325,720,226,816/1,078,983,572.85
  6. Step 6: Final answer
    x = 1,618,475,359.28

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Double scale
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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.