Home / 708,781,604.40-1,063,172,406.60-699,226,455.60

Finding the Fourth Proportional to 708,781,604.40, 1,063,172,406.60 and 699,226,455.60

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Solution

The fourth proportional to 708,781,604.40, 1,063,172,406.60 and 699,226,455.60 is: 1,048,839,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,781,604.40 : 1,063,172,406.60 = 699,226,455.60 : x
  2. Step 2: Convert to fraction form
    708,781,604.40/1,063,172,406.60 = 699,226,455.60/x
  3. Step 3: Cross multiply
    708,781,604.40x = 1,063,172,406.60 × 699,226,455.60
  4. Step 4: Simplify right side
    708,781,604.40x = 743,398,273,558,640,128
  5. Step 5: Solve for x
    x = 743,398,273,558,640,128/708,781,604.40
  6. Step 6: Final answer
    x = 1,048,839,683.40

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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.