Home / 1,275,988,941.36-1,761,192,365.22-831,061,024.92

Finding the Fourth Proportional to 1,275,988,941.36, 1,761,192,365.22 and 831,061,024.92

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Solution

The fourth proportional to 1,275,988,941.36, 1,761,192,365.22 and 831,061,024.92 is: 1,147,077,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,988,941.36 : 1,761,192,365.22 = 831,061,024.92 : x
  2. Step 2: Convert to fraction form
    1,275,988,941.36/1,761,192,365.22 = 831,061,024.92/x
  3. Step 3: Cross multiply
    1,275,988,941.36x = 1,761,192,365.22 × 831,061,024.92
  4. Step 4: Simplify right side
    1,275,988,941.36x = 1,463,658,332,121,012,224
  5. Step 5: Solve for x
    x = 1,463,658,332,121,012,224/1,275,988,941.36
  6. Step 6: Final answer
    x = 1,147,077,599.72

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1.5x scale

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.