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Finding the Fourth Proportional to 744,482,978.70, 1,116,724,468.05 and 744,482,978.70

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Solution

The fourth proportional to 744,482,978.70, 1,116,724,468.05 and 744,482,978.70 is: 1,116,724,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,482,978.70 : 1,116,724,468.05 = 744,482,978.70 : x
  2. Step 2: Convert to fraction form
    744,482,978.70/1,116,724,468.05 = 744,482,978.70/x
  3. Step 3: Cross multiply
    744,482,978.70x = 1,116,724,468.05 × 744,482,978.70
  4. Step 4: Simplify right side
    744,482,978.70x = 831,382,358,361,037,056
  5. Step 5: Solve for x
    x = 831,382,358,361,037,056/744,482,978.70
  6. Step 6: Final answer
    x = 1,116,724,468.05

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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.