Home / 400,362,898.62-600,428,349.44-120,232,511.58

Finding the Fourth Proportional to 400,362,898.62, 600,428,349.44 and 120,232,511.58

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Solution

The fourth proportional to 400,362,898.62, 600,428,349.44 and 120,232,511.58 is: 180,313,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,362,898.62 : 600,428,349.44 = 120,232,511.58 : x
  2. Step 2: Convert to fraction form
    400,362,898.62/600,428,349.44 = 120,232,511.58/x
  3. Step 3: Cross multiply
    400,362,898.62x = 600,428,349.44 × 120,232,511.58
  4. Step 4: Simplify right side
    400,362,898.62x = 72,191,008,477,005,088
  5. Step 5: Solve for x
    x = 72,191,008,477,005,088/400,362,898.62
  6. Step 6: Final answer
    x = 180,313,932.00

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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.