Home / 656,379,928,234.72-984,906,472,094.96-316,708,787,977.28

Finding the Fourth Proportional to 656,379,928,234.72, 984,906,472,094.96 and 316,708,787,977.28

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Solution

The fourth proportional to 656,379,928,234.72, 984,906,472,094.96 and 316,708,787,977.28 is: 475,225,584,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,379,928,234.72 : 984,906,472,094.96 = 316,708,787,977.28 : x
  2. Step 2: Convert to fraction form
    656,379,928,234.72/984,906,472,094.96 = 316,708,787,977.28/x
  3. Step 3: Cross multiply
    656,379,928,234.72x = 984,906,472,094.96 × 316,708,787,977.28
  4. Step 4: Simplify right side
    656,379,928,234.72x = 311,928,535,048,173,532,479,488
  5. Step 5: Solve for x
    x = 311,928,535,048,173,532,479,488/656,379,928,234.72
  6. Step 6: Final answer
    x = 475,225,584,498.11

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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.