Home / 508,293,999.48-701,416,250.88-285,254,854.80

Finding the Fourth Proportional to 508,293,999.48, 701,416,250.88 and 285,254,854.80

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Solution

The fourth proportional to 508,293,999.48, 701,416,250.88 and 285,254,854.80 is: 393,635,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,293,999.48 : 701,416,250.88 = 285,254,854.80 : x
  2. Step 2: Convert to fraction form
    508,293,999.48/701,416,250.88 = 285,254,854.80/x
  3. Step 3: Cross multiply
    508,293,999.48x = 701,416,250.88 × 285,254,854.80
  4. Step 4: Simplify right side
    508,293,999.48x = 200,082,390,799,134,784
  5. Step 5: Solve for x
    x = 200,082,390,799,134,784/508,293,999.48
  6. Step 6: Final answer
    x = 393,635,161.94

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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.