Home / 319,754,704.80-478,876,519.44-156,104,533.92

Finding the Fourth Proportional to 319,754,704.80, 478,876,519.44 and 156,104,533.92

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Solution

The fourth proportional to 319,754,704.80, 478,876,519.44 and 156,104,533.92 is: 233,787,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,754,704.80 : 478,876,519.44 = 156,104,533.92 : x
  2. Step 2: Convert to fraction form
    319,754,704.80/478,876,519.44 = 156,104,533.92/x
  3. Step 3: Cross multiply
    319,754,704.80x = 478,876,519.44 × 156,104,533.92
  4. Step 4: Simplify right side
    319,754,704.80x = 74,754,795,872,413,008
  5. Step 5: Solve for x
    x = 74,754,795,872,413,008/319,754,704.80
  6. Step 6: Final answer
    x = 233,787,946.67

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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.