Home / 1,918,843,543.92-2,648,004,977.88-1,038,777,248.88

Finding the Fourth Proportional to 1,918,843,543.92, 2,648,004,977.88 and 1,038,777,248.88

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Solution

The fourth proportional to 1,918,843,543.92, 2,648,004,977.88 and 1,038,777,248.88 is: 1,433,513,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,843,543.92 : 2,648,004,977.88 = 1,038,777,248.88 : x
  2. Step 2: Convert to fraction form
    1,918,843,543.92/2,648,004,977.88 = 1,038,777,248.88/x
  3. Step 3: Cross multiply
    1,918,843,543.92x = 2,648,004,977.88 × 1,038,777,248.88
  4. Step 4: Simplify right side
    1,918,843,543.92x = 2,750,687,325,942,731,776
  5. Step 5: Solve for x
    x = 2,750,687,325,942,731,776/1,918,843,543.92
  6. Step 6: Final answer
    x = 1,433,513,083.78

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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.