Home / 457,365,369.65-631,168,196.36-248,521,511.61

Finding the Fourth Proportional to 457,365,369.65, 631,168,196.36 and 248,521,511.61

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Solution

The fourth proportional to 457,365,369.65, 631,168,196.36 and 248,521,511.61 is: 342,961,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,365,369.65 : 631,168,196.36 = 248,521,511.61 : x
  2. Step 2: Convert to fraction form
    457,365,369.65/631,168,196.36 = 248,521,511.61/x
  3. Step 3: Cross multiply
    457,365,369.65x = 631,168,196.36 × 248,521,511.61
  4. Step 4: Simplify right side
    457,365,369.65x = 156,858,874,238,301,920
  5. Step 5: Solve for x
    x = 156,858,874,238,301,920/457,365,369.65
  6. Step 6: Final answer
    x = 342,961,852.05

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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.