Home / 545,187,494.21-817,797,876.48-213,181,244.01

Finding the Fourth Proportional to 545,187,494.21, 817,797,876.48 and 213,181,244.01

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Solution

The fourth proportional to 545,187,494.21, 817,797,876.48 and 213,181,244.01 is: 319,778,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,187,494.21 : 817,797,876.48 = 213,181,244.01 : x
  2. Step 2: Convert to fraction form
    545,187,494.21/817,797,876.48 = 213,181,244.01/x
  3. Step 3: Cross multiply
    545,187,494.21x = 817,797,876.48 × 213,181,244.01
  4. Step 4: Simplify right side
    545,187,494.21x = 174,339,168,656,742,720
  5. Step 5: Solve for x
    x = 174,339,168,656,742,720/545,187,494.21
  6. Step 6: Final answer
    x = 319,778,370.76

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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.