Home / 653,232,004.80-979,848,007.20-446,303,313.60

Finding the Fourth Proportional to 653,232,004.80, 979,848,007.20 and 446,303,313.60

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Solution

The fourth proportional to 653,232,004.80, 979,848,007.20 and 446,303,313.60 is: 669,454,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,232,004.80 : 979,848,007.20 = 446,303,313.60 : x
  2. Step 2: Convert to fraction form
    653,232,004.80/979,848,007.20 = 446,303,313.60/x
  3. Step 3: Cross multiply
    653,232,004.80x = 979,848,007.20 × 446,303,313.60
  4. Step 4: Simplify right side
    653,232,004.80x = 437,309,412,437,716,672
  5. Step 5: Solve for x
    x = 437,309,412,437,716,672/653,232,004.80
  6. Step 6: Final answer
    x = 669,454,970.40

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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.