Home / 2,900,486,658.49-4,002,672,164.75-1,580,387,214.49

Finding the Fourth Proportional to 2,900,486,658.49, 4,002,672,164.75 and 1,580,387,214.49

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Solution

The fourth proportional to 2,900,486,658.49, 4,002,672,164.75 and 1,580,387,214.49 is: 2,180,934,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,486,658.49 : 4,002,672,164.75 = 1,580,387,214.49 : x
  2. Step 2: Convert to fraction form
    2,900,486,658.49/4,002,672,164.75 = 1,580,387,214.49/x
  3. Step 3: Cross multiply
    2,900,486,658.49x = 4,002,672,164.75 × 1,580,387,214.49
  4. Step 4: Simplify right side
    2,900,486,658.49x = 6,325,771,912,958,008,320
  5. Step 5: Solve for x
    x = 6,325,771,912,958,008,320/2,900,486,658.49
  6. Step 6: Final answer
    x = 2,180,934,669.86

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1.5x scale

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.