Home / 511,054,712.76-766,581,981.60-161,546,130.96

Finding the Fourth Proportional to 511,054,712.76, 766,581,981.60 and 161,546,130.96

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Solution

The fourth proportional to 511,054,712.76, 766,581,981.60 and 161,546,130.96 is: 242,319,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,054,712.76 : 766,581,981.60 = 161,546,130.96 : x
  2. Step 2: Convert to fraction form
    511,054,712.76/766,581,981.60 = 161,546,130.96/x
  3. Step 3: Cross multiply
    511,054,712.76x = 766,581,981.60 × 161,546,130.96
  4. Step 4: Simplify right side
    511,054,712.76x = 123,838,353,191,129,920
  5. Step 5: Solve for x
    x = 123,838,353,191,129,920/511,054,712.76
  6. Step 6: Final answer
    x = 242,319,168.77

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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.