Home / 1,031,080,102.13-1,422,890,462.03-561,184,792.26

Finding the Fourth Proportional to 1,031,080,102.13, 1,422,890,462.03 and 561,184,792.26

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Solution

The fourth proportional to 1,031,080,102.13, 1,422,890,462.03 and 561,184,792.26 is: 774,434,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,080,102.13 : 1,422,890,462.03 = 561,184,792.26 : x
  2. Step 2: Convert to fraction form
    1,031,080,102.13/1,422,890,462.03 = 561,184,792.26/x
  3. Step 3: Cross multiply
    1,031,080,102.13x = 1,422,890,462.03 × 561,184,792.26
  4. Step 4: Simplify right side
    1,031,080,102.13x = 798,504,488,340,235,136
  5. Step 5: Solve for x
    x = 798,504,488,340,235,136/1,031,080,102.13
  6. Step 6: Final answer
    x = 774,434,970.37

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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.