Home / 841,394,243.10-1,267,834,495.34-691,400,335.26

Finding the Fourth Proportional to 841,394,243.10, 1,267,834,495.34 and 691,400,335.26

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Solution

The fourth proportional to 841,394,243.10, 1,267,834,495.34 and 691,400,335.26 is: 1,041,819,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,394,243.10 : 1,267,834,495.34 = 691,400,335.26 : x
  2. Step 2: Convert to fraction form
    841,394,243.10/1,267,834,495.34 = 691,400,335.26/x
  3. Step 3: Cross multiply
    841,394,243.10x = 1,267,834,495.34 × 691,400,335.26
  4. Step 4: Simplify right side
    841,394,243.10x = 876,581,195,128,811,904
  5. Step 5: Solve for x
    x = 876,581,195,128,811,904/841,394,243.10
  6. Step 6: Final answer
    x = 1,041,819,815.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.