Home / 549,667,018.32-758,905,748.24-422,280,816.52

Finding the Fourth Proportional to 549,667,018.32, 758,905,748.24 and 422,280,816.52

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Solution

The fourth proportional to 549,667,018.32, 758,905,748.24 and 422,280,816.52 is: 583,028,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,667,018.32 : 758,905,748.24 = 422,280,816.52 : x
  2. Step 2: Convert to fraction form
    549,667,018.32/758,905,748.24 = 422,280,816.52/x
  3. Step 3: Cross multiply
    549,667,018.32x = 758,905,748.24 × 422,280,816.52
  4. Step 4: Simplify right side
    549,667,018.32x = 320,471,339,028,508,736
  5. Step 5: Solve for x
    x = 320,471,339,028,508,736/549,667,018.32
  6. Step 6: Final answer
    x = 583,028,139.49

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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.