Home / 319,168,035.60-478,964,629.80-146,555,998.80

Finding the Fourth Proportional to 319,168,035.60, 478,964,629.80 and 146,555,998.80

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Solution

The fourth proportional to 319,168,035.60, 478,964,629.80 and 146,555,998.80 is: 219,931,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,168,035.60 : 478,964,629.80 = 146,555,998.80 : x
  2. Step 2: Convert to fraction form
    319,168,035.60/478,964,629.80 = 146,555,998.80/x
  3. Step 3: Cross multiply
    319,168,035.60x = 478,964,629.80 × 146,555,998.80
  4. Step 4: Simplify right side
    319,168,035.60x = 70,195,139,710,211,248
  5. Step 5: Solve for x
    x = 70,195,139,710,211,248/319,168,035.60
  6. Step 6: Final answer
    x = 219,931,609.31

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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.