Home / 456,728,156.53-630,285,464.18-247,884,299.17

Finding the Fourth Proportional to 456,728,156.53, 630,285,464.18 and 247,884,299.17

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Solution

The fourth proportional to 456,728,156.53, 630,285,464.18 and 247,884,299.17 is: 342,080,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,728,156.53 : 630,285,464.18 = 247,884,299.17 : x
  2. Step 2: Convert to fraction form
    456,728,156.53/630,285,464.18 = 247,884,299.17/x
  3. Step 3: Cross multiply
    456,728,156.53x = 630,285,464.18 × 247,884,299.17
  4. Step 4: Simplify right side
    456,728,156.53x = 156,237,870,565,297,408
  5. Step 5: Solve for x
    x = 156,237,870,565,297,408/456,728,156.53
  6. Step 6: Final answer
    x = 342,080,662.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.