Home / 400,423,485.26-600,415,784.87-123,997,957.36

Finding the Fourth Proportional to 400,423,485.26, 600,415,784.87 and 123,997,957.36

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Solution

The fourth proportional to 400,423,485.26, 600,415,784.87 and 123,997,957.36 is: 185,928,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,423,485.26 : 600,415,784.87 = 123,997,957.36 : x
  2. Step 2: Convert to fraction form
    400,423,485.26/600,415,784.87 = 123,997,957.36/x
  3. Step 3: Cross multiply
    400,423,485.26x = 600,415,784.87 × 123,997,957.36
  4. Step 4: Simplify right side
    400,423,485.26x = 74,450,330,888,460,160
  5. Step 5: Solve for x
    x = 74,450,330,888,460,160/400,423,485.26
  6. Step 6: Final answer
    x = 185,928,981.76

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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.