Home / 376,066,853.80-564,100,280.70-311,443,628.20

Finding the Fourth Proportional to 376,066,853.80, 564,100,280.70 and 311,443,628.20

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Solution

The fourth proportional to 376,066,853.80, 564,100,280.70 and 311,443,628.20 is: 467,165,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,066,853.80 : 564,100,280.70 = 311,443,628.20 : x
  2. Step 2: Convert to fraction form
    376,066,853.80/564,100,280.70 = 311,443,628.20/x
  3. Step 3: Cross multiply
    376,066,853.80x = 564,100,280.70 × 311,443,628.20
  4. Step 4: Simplify right side
    376,066,853.80x = 175,685,438,089,846,432
  5. Step 5: Solve for x
    x = 175,685,438,089,846,432/376,066,853.80
  6. Step 6: Final answer
    x = 467,165,442.30

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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.