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Finding the Fourth Proportional to 798,912,837.40, 1,196,577,665.70 and 798,912,837.40

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Solution

The fourth proportional to 798,912,837.40, 1,196,577,665.70 and 798,912,837.40 is: 1,196,577,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,912,837.40 : 1,196,577,665.70 = 798,912,837.40 : x
  2. Step 2: Convert to fraction form
    798,912,837.40/1,196,577,665.70 = 798,912,837.40/x
  3. Step 3: Cross multiply
    798,912,837.40x = 1,196,577,665.70 × 798,912,837.40
  4. Step 4: Simplify right side
    798,912,837.40x = 955,961,258,073,855,616
  5. Step 5: Solve for x
    x = 955,961,258,073,855,616/798,912,837.40
  6. Step 6: Final answer
    x = 1,196,577,665.70

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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.