Home / 319,168,036.60-478,964,631.30-146,555,999.80

Finding the Fourth Proportional to 319,168,036.60, 478,964,631.30 and 146,555,999.80

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Solution

The fourth proportional to 319,168,036.60, 478,964,631.30 and 146,555,999.80 is: 219,931,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,168,036.60 : 478,964,631.30 = 146,555,999.80 : x
  2. Step 2: Convert to fraction form
    319,168,036.60/478,964,631.30 = 146,555,999.80/x
  3. Step 3: Cross multiply
    319,168,036.60x = 478,964,631.30 × 146,555,999.80
  4. Step 4: Simplify right side
    319,168,036.60x = 70,195,140,409,009,880
  5. Step 5: Solve for x
    x = 70,195,140,409,009,880/319,168,036.60
  6. Step 6: Final answer
    x = 219,931,610.81

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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.