Home / 1,429,686,327.45-1,972,600,717.91-834,628,871.81

Finding the Fourth Proportional to 1,429,686,327.45, 1,972,600,717.91 and 834,628,871.81

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Solution

The fourth proportional to 1,429,686,327.45, 1,972,600,717.91 and 834,628,871.81 is: 1,151,573,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,686,327.45 : 1,972,600,717.91 = 834,628,871.81 : x
  2. Step 2: Convert to fraction form
    1,429,686,327.45/1,972,600,717.91 = 834,628,871.81/x
  3. Step 3: Cross multiply
    1,429,686,327.45x = 1,972,600,717.91 × 834,628,871.81
  4. Step 4: Simplify right side
    1,429,686,327.45x = 1,646,389,511,706,782,976
  5. Step 5: Solve for x
    x = 1,646,389,511,706,782,976/1,429,686,327.45
  6. Step 6: Final answer
    x = 1,151,573,936.25

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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.