Home / 2,021,278,998.60-3,031,918,497.90-985,606,777.80

Finding the Fourth Proportional to 2,021,278,998.60, 3,031,918,497.90 and 985,606,777.80

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Solution

The fourth proportional to 2,021,278,998.60, 3,031,918,497.90 and 985,606,777.80 is: 1,478,410,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,278,998.60 : 3,031,918,497.90 = 985,606,777.80 : x
  2. Step 2: Convert to fraction form
    2,021,278,998.60/3,031,918,497.90 = 985,606,777.80/x
  3. Step 3: Cross multiply
    2,021,278,998.60x = 3,031,918,497.90 × 985,606,777.80
  4. Step 4: Simplify right side
    2,021,278,998.60x = 2,988,279,421,267,435,008
  5. Step 5: Solve for x
    x = 2,988,279,421,267,435,008/2,021,278,998.60
  6. Step 6: Final answer
    x = 1,478,410,166.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.