Home / 383,473,670.20-575,210,505.30-319,700,750.20

Finding the Fourth Proportional to 383,473,670.20, 575,210,505.30 and 319,700,750.20

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Solution

The fourth proportional to 383,473,670.20, 575,210,505.30 and 319,700,750.20 is: 479,551,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,473,670.20 : 575,210,505.30 = 319,700,750.20 : x
  2. Step 2: Convert to fraction form
    383,473,670.20/575,210,505.30 = 319,700,750.20/x
  3. Step 3: Cross multiply
    383,473,670.20x = 575,210,505.30 × 319,700,750.20
  4. Step 4: Simplify right side
    383,473,670.20x = 183,895,230,067,331,040
  5. Step 5: Solve for x
    x = 183,895,230,067,331,040/383,473,670.20
  6. Step 6: Final answer
    x = 479,551,125.30

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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.