Home / 1,623,686,005.58-2,240,686,687.05-881,130,068.33

Finding the Fourth Proportional to 1,623,686,005.58, 2,240,686,687.05 and 881,130,068.33

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Solution

The fourth proportional to 1,623,686,005.58, 2,240,686,687.05 and 881,130,068.33 is: 1,215,959,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,686,005.58 : 2,240,686,687.05 = 881,130,068.33 : x
  2. Step 2: Convert to fraction form
    1,623,686,005.58/2,240,686,687.05 = 881,130,068.33/x
  3. Step 3: Cross multiply
    1,623,686,005.58x = 2,240,686,687.05 × 881,130,068.33
  4. Step 4: Simplify right side
    1,623,686,005.58x = 1,974,336,413,655,284,736
  5. Step 5: Solve for x
    x = 1,974,336,413,655,284,736/1,623,686,005.58
  6. Step 6: Final answer
    x = 1,215,959,493.94

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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.