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Finding the Fourth Proportional to 744,893,876.70, 1,117,340,815.05 and 744,893,876.70

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Solution

The fourth proportional to 744,893,876.70, 1,117,340,815.05 and 744,893,876.70 is: 1,117,340,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,893,876.70 : 1,117,340,815.05 = 744,893,876.70 : x
  2. Step 2: Convert to fraction form
    744,893,876.70/1,117,340,815.05 = 744,893,876.70/x
  3. Step 3: Cross multiply
    744,893,876.70x = 1,117,340,815.05 × 744,893,876.70
  4. Step 4: Simplify right side
    744,893,876.70x = 832,300,331,317,732,224
  5. Step 5: Solve for x
    x = 832,300,331,317,732,224/744,893,876.70
  6. Step 6: Final answer
    x = 1,117,340,815.05

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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.