Home / 721,748,283.22-1,083,077,834.48-307,224,427.78

Finding the Fourth Proportional to 721,748,283.22, 1,083,077,834.48 and 307,224,427.78

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Solution

The fourth proportional to 721,748,283.22, 1,083,077,834.48 and 307,224,427.78 is: 461,030,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,748,283.22 : 1,083,077,834.48 = 307,224,427.78 : x
  2. Step 2: Convert to fraction form
    721,748,283.22/1,083,077,834.48 = 307,224,427.78/x
  3. Step 3: Cross multiply
    721,748,283.22x = 1,083,077,834.48 × 307,224,427.78
  4. Step 4: Simplify right side
    721,748,283.22x = 332,747,967,932,368,000
  5. Step 5: Solve for x
    x = 332,747,967,932,368,000/721,748,283.22
  6. Step 6: Final answer
    x = 461,030,494.52

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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.