Home / 549,667,014.30-758,905,742.70-422,280,812.52

Finding the Fourth Proportional to 549,667,014.30, 758,905,742.70 and 422,280,812.52

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Solution

The fourth proportional to 549,667,014.30, 758,905,742.70 and 422,280,812.52 is: 583,028,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,667,014.30 : 758,905,742.70 = 422,280,812.52 : x
  2. Step 2: Convert to fraction form
    549,667,014.30/758,905,742.70 = 422,280,812.52/x
  3. Step 3: Cross multiply
    549,667,014.30x = 758,905,742.70 × 422,280,812.52
  4. Step 4: Simplify right side
    549,667,014.30x = 320,471,333,653,450,048
  5. Step 5: Solve for x
    x = 320,471,333,653,450,048/549,667,014.30
  6. Step 6: Final answer
    x = 583,028,133.97

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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.