Home / 649,353,940.20-974,030,910.30-603,437,437.80

Finding the Fourth Proportional to 649,353,940.20, 974,030,910.30 and 603,437,437.80

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Solution

The fourth proportional to 649,353,940.20, 974,030,910.30 and 603,437,437.80 is: 905,156,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,353,940.20 : 974,030,910.30 = 603,437,437.80 : x
  2. Step 2: Convert to fraction form
    649,353,940.20/974,030,910.30 = 603,437,437.80/x
  3. Step 3: Cross multiply
    649,353,940.20x = 974,030,910.30 × 603,437,437.80
  4. Step 4: Simplify right side
    649,353,940.20x = 587,766,716,849,433,600
  5. Step 5: Solve for x
    x = 587,766,716,849,433,600/649,353,940.20
  6. Step 6: Final answer
    x = 905,156,156.70

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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.