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Finding the Fourth Proportional to 1,135,309,058.40, 1,702,963,587.60 and 1,135,309,058.40

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Solution

The fourth proportional to 1,135,309,058.40, 1,702,963,587.60 and 1,135,309,058.40 is: 1,702,963,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,309,058.40 : 1,702,963,587.60 = 1,135,309,058.40 : x
  2. Step 2: Convert to fraction form
    1,135,309,058.40/1,702,963,587.60 = 1,135,309,058.40/x
  3. Step 3: Cross multiply
    1,135,309,058.40x = 1,702,963,587.60 × 1,135,309,058.40
  4. Step 4: Simplify right side
    1,135,309,058.40x = 1,933,389,987,127,641,856
  5. Step 5: Solve for x
    x = 1,933,389,987,127,641,856/1,135,309,058.40
  6. Step 6: Final answer
    x = 1,702,963,587.60

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Double scale
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Similar ratio
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1.5x scale

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.