Home / 538,768,536.53-808,565,291.81-243,870,751.88

Finding the Fourth Proportional to 538,768,536.53, 808,565,291.81 and 243,870,751.88

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Solution

The fourth proportional to 538,768,536.53, 808,565,291.81 and 243,870,751.88 is: 365,992,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,768,536.53 : 808,565,291.81 = 243,870,751.88 : x
  2. Step 2: Convert to fraction form
    538,768,536.53/808,565,291.81 = 243,870,751.88/x
  3. Step 3: Cross multiply
    538,768,536.53x = 808,565,291.81 × 243,870,751.88
  4. Step 4: Simplify right side
    538,768,536.53x = 197,185,425,652,514,112
  5. Step 5: Solve for x
    x = 197,185,425,652,514,112/538,768,536.53
  6. Step 6: Final answer
    x = 365,992,837.90

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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.