Home / 1,235,522,563.85-1,705,054,434.26-726,920,779.39

Finding the Fourth Proportional to 1,235,522,563.85, 1,705,054,434.26 and 726,920,779.39

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Solution

The fourth proportional to 1,235,522,563.85, 1,705,054,434.26 and 726,920,779.39 is: 1,003,170,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,522,563.85 : 1,705,054,434.26 = 726,920,779.39 : x
  2. Step 2: Convert to fraction form
    1,235,522,563.85/1,705,054,434.26 = 726,920,779.39/x
  3. Step 3: Cross multiply
    1,235,522,563.85x = 1,705,054,434.26 × 726,920,779.39
  4. Step 4: Simplify right side
    1,235,522,563.85x = 1,239,439,498,246,757,632
  5. Step 5: Solve for x
    x = 1,239,439,498,246,757,632/1,235,522,563.85
  6. Step 6: Final answer
    x = 1,003,170,265.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.