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Finding the Fourth Proportional to 1,077,840,930.40, 1,616,761,395.60 and 969,001,813.60

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Solution

The fourth proportional to 1,077,840,930.40, 1,616,761,395.60 and 969,001,813.60 is: 1,453,502,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,840,930.40 : 1,616,761,395.60 = 969,001,813.60 : x
  2. Step 2: Convert to fraction form
    1,077,840,930.40/1,616,761,395.60 = 969,001,813.60/x
  3. Step 3: Cross multiply
    1,077,840,930.40x = 1,616,761,395.60 × 969,001,813.60
  4. Step 4: Simplify right side
    1,077,840,930.40x = 1,566,644,724,494,866,944
  5. Step 5: Solve for x
    x = 1,566,644,724,494,866,944/1,077,840,930.40
  6. Step 6: Final answer
    x = 1,453,502,720.40

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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.