Home / 447,624,846.30-671,437,269.45-265,778,420.70

Finding the Fourth Proportional to 447,624,846.30, 671,437,269.45 and 265,778,420.70

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Solution

The fourth proportional to 447,624,846.30, 671,437,269.45 and 265,778,420.70 is: 398,667,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,624,846.30 : 671,437,269.45 = 265,778,420.70 : x
  2. Step 2: Convert to fraction form
    447,624,846.30/671,437,269.45 = 265,778,420.70/x
  3. Step 3: Cross multiply
    447,624,846.30x = 671,437,269.45 × 265,778,420.70
  4. Step 4: Simplify right side
    447,624,846.30x = 178,453,537,073,541,376
  5. Step 5: Solve for x
    x = 178,453,537,073,541,376/447,624,846.30
  6. Step 6: Final answer
    x = 398,667,631.05

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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.