Home / 2,765,539,715.82-4,149,671,515.66-1,291,465,289.28

Finding the Fourth Proportional to 2,765,539,715.82, 4,149,671,515.66 and 1,291,465,289.28

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Solution

The fourth proportional to 2,765,539,715.82, 4,149,671,515.66 and 1,291,465,289.28 is: 1,937,833,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,539,715.82 : 4,149,671,515.66 = 1,291,465,289.28 : x
  2. Step 2: Convert to fraction form
    2,765,539,715.82/4,149,671,515.66 = 1,291,465,289.28/x
  3. Step 3: Cross multiply
    2,765,539,715.82x = 4,149,671,515.66 × 1,291,465,289.28
  4. Step 4: Simplify right side
    2,765,539,715.82x = 5,359,156,724,388,817,920
  5. Step 5: Solve for x
    x = 5,359,156,724,388,817,920/2,765,539,715.82
  6. Step 6: Final answer
    x = 1,937,833,940.24

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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.