Home / 1,623,685,992.81-2,240,686,669.44-881,130,055.56

Finding the Fourth Proportional to 1,623,685,992.81, 2,240,686,669.44 and 881,130,055.56

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Solution

The fourth proportional to 1,623,685,992.81, 2,240,686,669.44 and 881,130,055.56 is: 1,215,959,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,685,992.81 : 2,240,686,669.44 = 881,130,055.56 : x
  2. Step 2: Convert to fraction form
    1,623,685,992.81/2,240,686,669.44 = 881,130,055.56/x
  3. Step 3: Cross multiply
    1,623,685,992.81x = 2,240,686,669.44 × 881,130,055.56
  4. Step 4: Simplify right side
    1,623,685,992.81x = 1,974,336,369,536,218,368
  5. Step 5: Solve for x
    x = 1,974,336,369,536,218,368/1,623,685,992.81
  6. Step 6: Final answer
    x = 1,215,959,476.33

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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.