Home / 2,991,834,966.45-4,487,752,449.68-810,801,102.45

Finding the Fourth Proportional to 2,991,834,966.45, 4,487,752,449.68 and 810,801,102.45

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Solution

The fourth proportional to 2,991,834,966.45, 4,487,752,449.68 and 810,801,102.45 is: 1,216,201,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,834,966.45 : 4,487,752,449.68 = 810,801,102.45 : x
  2. Step 2: Convert to fraction form
    2,991,834,966.45/4,487,752,449.68 = 810,801,102.45/x
  3. Step 3: Cross multiply
    2,991,834,966.45x = 4,487,752,449.68 × 810,801,102.45
  4. Step 4: Simplify right side
    2,991,834,966.45x = 3,638,674,633,719,178,752
  5. Step 5: Solve for x
    x = 3,638,674,633,719,178,752/2,991,834,966.45
  6. Step 6: Final answer
    x = 1,216,201,653.68

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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.