Home / 2,878,093,543.80-3,971,796,472.60-1,688,682,749

Finding the Fourth Proportional to 2,878,093,543.80, 3,971,796,472.60 and 1,688,682,749

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Solution

The fourth proportional to 2,878,093,543.80, 3,971,796,472.60 and 1,688,682,749 is: 2,330,398,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,093,543.80 : 3,971,796,472.60 = 1,688,682,749 : x
  2. Step 2: Convert to fraction form
    2,878,093,543.80/3,971,796,472.60 = 1,688,682,749/x
  3. Step 3: Cross multiply
    2,878,093,543.80x = 3,971,796,472.60 × 1,688,682,749
  4. Step 4: Simplify right side
    2,878,093,543.80x = 6,707,104,185,818,671,104
  5. Step 5: Solve for x
    x = 6,707,104,185,818,671,104/2,878,093,543.80
  6. Step 6: Final answer
    x = 2,330,398,259.73

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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.