Home / 887,373,665.88-1,224,611,715.70-490,889,819.69

Finding the Fourth Proportional to 887,373,665.88, 1,224,611,715.70 and 490,889,819.69

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Solution

The fourth proportional to 887,373,665.88, 1,224,611,715.70 and 490,889,819.69 is: 677,447,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,373,665.88 : 1,224,611,715.70 = 490,889,819.69 : x
  2. Step 2: Convert to fraction form
    887,373,665.88/1,224,611,715.70 = 490,889,819.69/x
  3. Step 3: Cross multiply
    887,373,665.88x = 1,224,611,715.70 × 490,889,819.69
  4. Step 4: Simplify right side
    887,373,665.88x = 601,149,424,310,234,624
  5. Step 5: Solve for x
    x = 601,149,424,310,234,624/887,373,665.88
  6. Step 6: Final answer
    x = 677,447,897.57

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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.