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Finding the Fourth Proportional to 747,310,068.30, 1,120,965,102.45 and 747,310,068.30

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Solution

The fourth proportional to 747,310,068.30, 1,120,965,102.45 and 747,310,068.30 is: 1,120,965,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,310,068.30 : 1,120,965,102.45 = 747,310,068.30 : x
  2. Step 2: Convert to fraction form
    747,310,068.30/1,120,965,102.45 = 747,310,068.30/x
  3. Step 3: Cross multiply
    747,310,068.30x = 1,120,965,102.45 × 747,310,068.30
  4. Step 4: Simplify right side
    747,310,068.30x = 837,708,507,273,825,920
  5. Step 5: Solve for x
    x = 837,708,507,273,825,920/747,310,068.30
  6. Step 6: Final answer
    x = 1,120,965,102.45

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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.