Home / 784,505,762.08-1,082,667,118.80-432,081,682.72

Finding the Fourth Proportional to 784,505,762.08, 1,082,667,118.80 and 432,081,682.72

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Solution

The fourth proportional to 784,505,762.08, 1,082,667,118.80 and 432,081,682.72 is: 596,299,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,505,762.08 : 1,082,667,118.80 = 432,081,682.72 : x
  2. Step 2: Convert to fraction form
    784,505,762.08/1,082,667,118.80 = 432,081,682.72/x
  3. Step 3: Cross multiply
    784,505,762.08x = 1,082,667,118.80 × 432,081,682.72
  4. Step 4: Simplify right side
    784,505,762.08x = 467,800,630,516,718,144
  5. Step 5: Solve for x
    x = 467,800,630,516,718,144/784,505,762.08
  6. Step 6: Final answer
    x = 596,299,801.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.