Home / 503,309,996.12-755,007,842.68-153,634,605.93

Finding the Fourth Proportional to 503,309,996.12, 755,007,842.68 and 153,634,605.93

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Solution

The fourth proportional to 503,309,996.12, 755,007,842.68 and 153,634,605.93 is: 230,464,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,309,996.12 : 755,007,842.68 = 153,634,605.93 : x
  2. Step 2: Convert to fraction form
    503,309,996.12/755,007,842.68 = 153,634,605.93/x
  3. Step 3: Cross multiply
    503,309,996.12x = 755,007,842.68 × 153,634,605.93
  4. Step 4: Simplify right side
    503,309,996.12x = 115,995,332,383,817,152
  5. Step 5: Solve for x
    x = 115,995,332,383,817,152/503,309,996.12
  6. Step 6: Final answer
    x = 230,464,988.33

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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.