Home / 2,878,093,545.31-3,971,796,474.69-1,688,682,750.49

Finding the Fourth Proportional to 2,878,093,545.31, 3,971,796,474.69 and 1,688,682,750.49

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Solution

The fourth proportional to 2,878,093,545.31, 3,971,796,474.69 and 1,688,682,750.49 is: 2,330,398,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,093,545.31 : 3,971,796,474.69 = 1,688,682,750.49 : x
  2. Step 2: Convert to fraction form
    2,878,093,545.31/3,971,796,474.69 = 1,688,682,750.49/x
  3. Step 3: Cross multiply
    2,878,093,545.31x = 3,971,796,474.69 × 1,688,682,750.49
  4. Step 4: Simplify right side
    2,878,093,545.31x = 6,707,104,195,265,994,752
  5. Step 5: Solve for x
    x = 6,707,104,195,265,994,752/2,878,093,545.31
  6. Step 6: Final answer
    x = 2,330,398,261.79

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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.