Home / 366,980,318.40-550,470,477.60-203,721,643.20

Finding the Fourth Proportional to 366,980,318.40, 550,470,477.60 and 203,721,643.20

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Solution

The fourth proportional to 366,980,318.40, 550,470,477.60 and 203,721,643.20 is: 305,582,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,980,318.40 : 550,470,477.60 = 203,721,643.20 : x
  2. Step 2: Convert to fraction form
    366,980,318.40/550,470,477.60 = 203,721,643.20/x
  3. Step 3: Cross multiply
    366,980,318.40x = 550,470,477.60 × 203,721,643.20
  4. Step 4: Simplify right side
    366,980,318.40x = 112,142,750,229,760,784
  5. Step 5: Solve for x
    x = 112,142,750,229,760,784/366,980,318.40
  6. Step 6: Final answer
    x = 305,582,464.80

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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.