Home / 665,280,682.70-997,921,024.05-276,974,458.70

Finding the Fourth Proportional to 665,280,682.70, 997,921,024.05 and 276,974,458.70

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Solution

The fourth proportional to 665,280,682.70, 997,921,024.05 and 276,974,458.70 is: 415,461,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,280,682.70 : 997,921,024.05 = 276,974,458.70 : x
  2. Step 2: Convert to fraction form
    665,280,682.70/997,921,024.05 = 276,974,458.70/x
  3. Step 3: Cross multiply
    665,280,682.70x = 997,921,024.05 × 276,974,458.70
  4. Step 4: Simplify right side
    665,280,682.70x = 276,398,635,461,598,400
  5. Step 5: Solve for x
    x = 276,398,635,461,598,400/665,280,682.70
  6. Step 6: Final answer
    x = 415,461,688.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.