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Finding the Fourth Proportional to 1,329,141,702.40, 1,993,712,553.60 and 1,329,141,702.40

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Solution

The fourth proportional to 1,329,141,702.40, 1,993,712,553.60 and 1,329,141,702.40 is: 1,993,712,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,141,702.40 : 1,993,712,553.60 = 1,329,141,702.40 : x
  2. Step 2: Convert to fraction form
    1,329,141,702.40/1,993,712,553.60 = 1,329,141,702.40/x
  3. Step 3: Cross multiply
    1,329,141,702.40x = 1,993,712,553.60 × 1,329,141,702.40
  4. Step 4: Simplify right side
    1,329,141,702.40x = 2,649,926,497,588,155,392
  5. Step 5: Solve for x
    x = 2,649,926,497,588,155,392/1,329,141,702.40
  6. Step 6: Final answer
    x = 1,993,712,553.60

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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.