Home / 398,956,378.59-597,915,491.58-162,330,137.37

Finding the Fourth Proportional to 398,956,378.59, 597,915,491.58 and 162,330,137.37

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Solution

The fourth proportional to 398,956,378.59, 597,915,491.58 and 162,330,137.37 is: 243,284,000.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,956,378.59 : 597,915,491.58 = 162,330,137.37 : x
  2. Step 2: Convert to fraction form
    398,956,378.59/597,915,491.58 = 162,330,137.37/x
  3. Step 3: Cross multiply
    398,956,378.59x = 597,915,491.58 × 162,330,137.37
  4. Step 4: Simplify right side
    398,956,378.59x = 97,059,703,883,832,496
  5. Step 5: Solve for x
    x = 97,059,703,883,832,496/398,956,378.59
  6. Step 6: Final answer
    x = 243,284,000.69

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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.