Home / 492,887,429,478.60-680,184,136,813.15-276,115,149,912.78

Finding the Fourth Proportional to 492,887,429,478.60, 680,184,136,813.15 and 276,115,149,912.78

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Solution

The fourth proportional to 492,887,429,478.60, 680,184,136,813.15 and 276,115,149,912.78 is: 381,038,617,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,887,429,478.60 : 680,184,136,813.15 = 276,115,149,912.78 : x
  2. Step 2: Convert to fraction form
    492,887,429,478.60/680,184,136,813.15 = 276,115,149,912.78/x
  3. Step 3: Cross multiply
    492,887,429,478.60x = 680,184,136,813.15 × 276,115,149,912.78
  4. Step 4: Simplify right side
    492,887,429,478.60x = 187,809,144,904,457,809,559,552
  5. Step 5: Solve for x
    x = 187,809,144,904,457,809,559,552/492,887,429,478.60
  6. Step 6: Final answer
    x = 381,038,617,891.17

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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.