Home / 314,928,672.70-472,393,009.05-192,484,666.30

Finding the Fourth Proportional to 314,928,672.70, 472,393,009.05 and 192,484,666.30

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Solution

The fourth proportional to 314,928,672.70, 472,393,009.05 and 192,484,666.30 is: 288,726,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,672.70 : 472,393,009.05 = 192,484,666.30 : x
  2. Step 2: Convert to fraction form
    314,928,672.70/472,393,009.05 = 192,484,666.30/x
  3. Step 3: Cross multiply
    314,928,672.70x = 472,393,009.05 × 192,484,666.30
  4. Step 4: Simplify right side
    314,928,672.70x = 90,928,410,709,442,144
  5. Step 5: Solve for x
    x = 90,928,410,709,442,144/314,928,672.70
  6. Step 6: Final answer
    x = 288,726,999.45

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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.