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Finding the Fourth Proportional to 1,036,694,854.40, 1,555,042,281.60 and 1,036,694,854.40

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Solution

The fourth proportional to 1,036,694,854.40, 1,555,042,281.60 and 1,036,694,854.40 is: 1,555,042,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,694,854.40 : 1,555,042,281.60 = 1,036,694,854.40 : x
  2. Step 2: Convert to fraction form
    1,036,694,854.40/1,555,042,281.60 = 1,036,694,854.40/x
  3. Step 3: Cross multiply
    1,036,694,854.40x = 1,555,042,281.60 × 1,036,694,854.40
  4. Step 4: Simplify right side
    1,036,694,854.40x = 1,612,104,331,709,155,584
  5. Step 5: Solve for x
    x = 1,612,104,331,709,155,584/1,036,694,854.40
  6. Step 6: Final answer
    x = 1,555,042,281.60

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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.