Home / 508,361,505.51-701,500,377.30-285,300,106.74

Finding the Fourth Proportional to 508,361,505.51, 701,500,377.30 and 285,300,106.74

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Solution

The fourth proportional to 508,361,505.51, 701,500,377.30 and 285,300,106.74 is: 393,692,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,361,505.51 : 701,500,377.30 = 285,300,106.74 : x
  2. Step 2: Convert to fraction form
    508,361,505.51/701,500,377.30 = 285,300,106.74/x
  3. Step 3: Cross multiply
    508,361,505.51x = 701,500,377.30 × 285,300,106.74
  4. Step 4: Simplify right side
    508,361,505.51x = 200,138,132,521,840,256
  5. Step 5: Solve for x
    x = 200,138,132,521,840,256/508,361,505.51
  6. Step 6: Final answer
    x = 393,692,540.35

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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.