Home / 1,252,468,266.21-1,728,358,855.89-695,587,185.54

Finding the Fourth Proportional to 1,252,468,266.21, 1,728,358,855.89 and 695,587,185.54

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Solution

The fourth proportional to 1,252,468,266.21, 1,728,358,855.89 and 695,587,185.54 is: 959,884,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,468,266.21 : 1,728,358,855.89 = 695,587,185.54 : x
  2. Step 2: Convert to fraction form
    1,252,468,266.21/1,728,358,855.89 = 695,587,185.54/x
  3. Step 3: Cross multiply
    1,252,468,266.21x = 1,728,358,855.89 × 695,587,185.54
  4. Step 4: Simplify right side
    1,252,468,266.21x = 1,202,224,272,171,659,520
  5. Step 5: Solve for x
    x = 1,202,224,272,171,659,520/1,252,468,266.21
  6. Step 6: Final answer
    x = 959,884,018.31

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Double scale
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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.