Home / 3,155,321,428.40-4,723,912,216.20-1,930,881,364.40

Finding the Fourth Proportional to 3,155,321,428.40, 4,723,912,216.20 and 1,930,881,364.40

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Solution

The fourth proportional to 3,155,321,428.40, 4,723,912,216.20 and 1,930,881,364.40 is: 2,890,771,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,321,428.40 : 4,723,912,216.20 = 1,930,881,364.40 : x
  2. Step 2: Convert to fraction form
    3,155,321,428.40/4,723,912,216.20 = 1,930,881,364.40/x
  3. Step 3: Cross multiply
    3,155,321,428.40x = 4,723,912,216.20 × 1,930,881,364.40
  4. Step 4: Simplify right side
    3,155,321,428.40x = 9,121,314,065,322,084,352
  5. Step 5: Solve for x
    x = 9,121,314,065,322,084,352/3,155,321,428.40
  6. Step 6: Final answer
    x = 2,890,771,755.68

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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.