Home / 493,319,751.78-740,025,114.54-161,328,483.68

Finding the Fourth Proportional to 493,319,751.78, 740,025,114.54 and 161,328,483.68

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Solution

The fourth proportional to 493,319,751.78, 740,025,114.54 and 161,328,483.68 is: 242,007,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,319,751.78 : 740,025,114.54 = 161,328,483.68 : x
  2. Step 2: Convert to fraction form
    493,319,751.78/740,025,114.54 = 161,328,483.68/x
  3. Step 3: Cross multiply
    493,319,751.78x = 740,025,114.54 × 161,328,483.68
  4. Step 4: Simplify right side
    493,319,751.78x = 119,387,129,609,777,280
  5. Step 5: Solve for x
    x = 119,387,129,609,777,280/493,319,751.78
  6. Step 6: Final answer
    x = 242,007,600.91

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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.