Home / 515,728,909.80-773,593,364.70-352,470,234.60

Finding the Fourth Proportional to 515,728,909.80, 773,593,364.70 and 352,470,234.60

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Solution

The fourth proportional to 515,728,909.80, 773,593,364.70 and 352,470,234.60 is: 528,705,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,728,909.80 : 773,593,364.70 = 352,470,234.60 : x
  2. Step 2: Convert to fraction form
    515,728,909.80/773,593,364.70 = 352,470,234.60/x
  3. Step 3: Cross multiply
    515,728,909.80x = 773,593,364.70 × 352,470,234.60
  4. Step 4: Simplify right side
    515,728,909.80x = 272,668,634,740,812,384
  5. Step 5: Solve for x
    x = 272,668,634,740,812,384/515,728,909.80
  6. Step 6: Final answer
    x = 528,705,351.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.