Home / 653,232,004.80-979,848,007.20-435,553,771.20

Finding the Fourth Proportional to 653,232,004.80, 979,848,007.20 and 435,553,771.20

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Solution

The fourth proportional to 653,232,004.80, 979,848,007.20 and 435,553,771.20 is: 653,330,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,232,004.80 : 979,848,007.20 = 435,553,771.20 : x
  2. Step 2: Convert to fraction form
    653,232,004.80/979,848,007.20 = 435,553,771.20/x
  3. Step 3: Cross multiply
    653,232,004.80x = 979,848,007.20 × 435,553,771.20
  4. Step 4: Simplify right side
    653,232,004.80x = 426,776,494,738,764,736
  5. Step 5: Solve for x
    x = 426,776,494,738,764,736/653,232,004.80
  6. Step 6: Final answer
    x = 653,330,656.80

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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.