Home / 493,074,220-680,429,400.24-281,377,256.20

Finding the Fourth Proportional to 493,074,220, 680,429,400.24 and 281,377,256.20

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Solution

The fourth proportional to 493,074,220, 680,429,400.24 and 281,377,256.20 is: 388,293,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,074,220 : 680,429,400.24 = 281,377,256.20 : x
  2. Step 2: Convert to fraction form
    493,074,220/680,429,400.24 = 281,377,256.20/x
  3. Step 3: Cross multiply
    493,074,220x = 680,429,400.24 × 281,377,256.20
  4. Step 4: Simplify right side
    493,074,220x = 191,457,357,677,342,816
  5. Step 5: Solve for x
    x = 191,457,357,677,342,816/493,074,220
  6. Step 6: Final answer
    x = 388,293,181.66

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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.