Home / 508,361,506.80-701,500,379.05-285,300,108.03

Finding the Fourth Proportional to 508,361,506.80, 701,500,379.05 and 285,300,108.03

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Solution

The fourth proportional to 508,361,506.80, 701,500,379.05 and 285,300,108.03 is: 393,692,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,361,506.80 : 701,500,379.05 = 285,300,108.03 : x
  2. Step 2: Convert to fraction form
    508,361,506.80/701,500,379.05 = 285,300,108.03/x
  3. Step 3: Cross multiply
    508,361,506.80x = 701,500,379.05 × 285,300,108.03
  4. Step 4: Simplify right side
    508,361,506.80x = 200,138,133,926,050,912
  5. Step 5: Solve for x
    x = 200,138,133,926,050,912/508,361,506.80
  6. Step 6: Final answer
    x = 393,692,542.12

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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.