Home / 508,361,501.52-701,500,371.77-285,300,102.74

Finding the Fourth Proportional to 508,361,501.52, 701,500,371.77 and 285,300,102.74

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Solution

The fourth proportional to 508,361,501.52, 701,500,371.77 and 285,300,102.74 is: 393,692,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,361,501.52 : 701,500,371.77 = 285,300,102.74 : x
  2. Step 2: Convert to fraction form
    508,361,501.52/701,500,371.77 = 285,300,102.74/x
  3. Step 3: Cross multiply
    508,361,501.52x = 701,500,371.77 × 285,300,102.74
  4. Step 4: Simplify right side
    508,361,501.52x = 200,138,128,133,195,200
  5. Step 5: Solve for x
    x = 200,138,128,133,195,200/508,361,501.52
  6. Step 6: Final answer
    x = 393,692,534.81

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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.