Home / 407,192,733.20-610,789,099.80-377,631,491.60

Finding the Fourth Proportional to 407,192,733.20, 610,789,099.80 and 377,631,491.60

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Solution

The fourth proportional to 407,192,733.20, 610,789,099.80 and 377,631,491.60 is: 566,447,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,192,733.20 : 610,789,099.80 = 377,631,491.60 : x
  2. Step 2: Convert to fraction form
    407,192,733.20/610,789,099.80 = 377,631,491.60/x
  3. Step 3: Cross multiply
    407,192,733.20x = 610,789,099.80 × 377,631,491.60
  4. Step 4: Simplify right side
    407,192,733.20x = 230,653,198,810,495,264
  5. Step 5: Solve for x
    x = 230,653,198,810,495,264/407,192,733.20
  6. Step 6: Final answer
    x = 566,447,237.40

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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.