Home / 756,288,577.40-1,134,432,866.10-647,449,460.60

Finding the Fourth Proportional to 756,288,577.40, 1,134,432,866.10 and 647,449,460.60

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Solution

The fourth proportional to 756,288,577.40, 1,134,432,866.10 and 647,449,460.60 is: 971,174,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,288,577.40 : 1,134,432,866.10 = 647,449,460.60 : x
  2. Step 2: Convert to fraction form
    756,288,577.40/1,134,432,866.10 = 647,449,460.60/x
  3. Step 3: Cross multiply
    756,288,577.40x = 1,134,432,866.10 × 647,449,460.60
  4. Step 4: Simplify right side
    756,288,577.40x = 734,487,947,243,356,928
  5. Step 5: Solve for x
    x = 734,487,947,243,356,928/756,288,577.40
  6. Step 6: Final answer
    x = 971,174,190.90

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Double scale
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Similar ratio
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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.