Home / 508,361,507.02-701,500,379.36-285,300,108.24

Finding the Fourth Proportional to 508,361,507.02, 701,500,379.36 and 285,300,108.24

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Solution

The fourth proportional to 508,361,507.02, 701,500,379.36 and 285,300,108.24 is: 393,692,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,361,507.02 : 701,500,379.36 = 285,300,108.24 : x
  2. Step 2: Convert to fraction form
    508,361,507.02/701,500,379.36 = 285,300,108.24/x
  3. Step 3: Cross multiply
    508,361,507.02x = 701,500,379.36 × 285,300,108.24
  4. Step 4: Simplify right side
    508,361,507.02x = 200,138,134,161,809,088
  5. Step 5: Solve for x
    x = 200,138,134,161,809,088/508,361,507.02
  6. Step 6: Final answer
    x = 393,692,542.41

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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.