Home / 1,380,663,606.96-2,070,995,437.90-331,401,810.95

Finding the Fourth Proportional to 1,380,663,606.96, 2,070,995,437.90 and 331,401,810.95

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Solution

The fourth proportional to 1,380,663,606.96, 2,070,995,437.90 and 331,401,810.95 is: 497,102,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,663,606.96 : 2,070,995,437.90 = 331,401,810.95 : x
  2. Step 2: Convert to fraction form
    1,380,663,606.96/2,070,995,437.90 = 331,401,810.95/x
  3. Step 3: Cross multiply
    1,380,663,606.96x = 2,070,995,437.90 × 331,401,810.95
  4. Step 4: Simplify right side
    1,380,663,606.96x = 686,331,638,589,248,256
  5. Step 5: Solve for x
    x = 686,331,638,589,248,256/1,380,663,606.96
  6. Step 6: Final answer
    x = 497,102,723.02

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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.