Home / 1,315,503,255.33-1,972,609,181.37-650,749,221.81

Finding the Fourth Proportional to 1,315,503,255.33, 1,972,609,181.37 and 650,749,221.81

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Solution

The fourth proportional to 1,315,503,255.33, 1,972,609,181.37 and 650,749,221.81 is: 975,804,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,503,255.33 : 1,972,609,181.37 = 650,749,221.81 : x
  2. Step 2: Convert to fraction form
    1,315,503,255.33/1,972,609,181.37 = 650,749,221.81/x
  3. Step 3: Cross multiply
    1,315,503,255.33x = 1,972,609,181.37 × 650,749,221.81
  4. Step 4: Simplify right side
    1,315,503,255.33x = 1,283,673,889,711,788,544
  5. Step 5: Solve for x
    x = 1,283,673,889,711,788,544/1,315,503,255.33
  6. Step 6: Final answer
    x = 975,804,418.96

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Double scale
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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.