Home / 2,021,278,666.10-3,031,917,999.15-985,606,445.30

Finding the Fourth Proportional to 2,021,278,666.10, 3,031,917,999.15 and 985,606,445.30

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Solution

The fourth proportional to 2,021,278,666.10, 3,031,917,999.15 and 985,606,445.30 is: 1,478,409,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,278,666.10 : 3,031,917,999.15 = 985,606,445.30 : x
  2. Step 2: Convert to fraction form
    2,021,278,666.10/3,031,917,999.15 = 985,606,445.30/x
  3. Step 3: Cross multiply
    2,021,278,666.10x = 3,031,917,999.15 × 985,606,445.30
  4. Step 4: Simplify right side
    2,021,278,666.10x = 2,988,277,921,583,320,064
  5. Step 5: Solve for x
    x = 2,988,277,921,583,320,064/2,021,278,666.10
  6. Step 6: Final answer
    x = 1,478,409,667.95

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Double scale
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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.