Home / 2,991,834,967.70-4,487,752,451.55-810,801,103.70

Finding the Fourth Proportional to 2,991,834,967.70, 4,487,752,451.55 and 810,801,103.70

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Solution

The fourth proportional to 2,991,834,967.70, 4,487,752,451.55 and 810,801,103.70 is: 1,216,201,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,834,967.70 : 4,487,752,451.55 = 810,801,103.70 : x
  2. Step 2: Convert to fraction form
    2,991,834,967.70/4,487,752,451.55 = 810,801,103.70/x
  3. Step 3: Cross multiply
    2,991,834,967.70x = 4,487,752,451.55 × 810,801,103.70
  4. Step 4: Simplify right side
    2,991,834,967.70x = 3,638,674,640,849,121,280
  5. Step 5: Solve for x
    x = 3,638,674,640,849,121,280/2,991,834,967.70
  6. Step 6: Final answer
    x = 1,216,201,655.55

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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.