Home / 1,528,817,014.89-2,109,734,401.32-885,100,090.97

Finding the Fourth Proportional to 1,528,817,014.89, 2,109,734,401.32 and 885,100,090.97

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Solution

The fourth proportional to 1,528,817,014.89, 2,109,734,401.32 and 885,100,090.97 is: 1,221,418,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,817,014.89 : 2,109,734,401.32 = 885,100,090.97 : x
  2. Step 2: Convert to fraction form
    1,528,817,014.89/2,109,734,401.32 = 885,100,090.97/x
  3. Step 3: Cross multiply
    1,528,817,014.89x = 2,109,734,401.32 × 885,100,090.97
  4. Step 4: Simplify right side
    1,528,817,014.89x = 1,867,326,110,536,144,640
  5. Step 5: Solve for x
    x = 1,867,326,110,536,144,640/1,528,817,014.89
  6. Step 6: Final answer
    x = 1,221,418,974.51

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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.