Home / 551,242,315.08-760,704,816.52-300,348,768.83

Finding the Fourth Proportional to 551,242,315.08, 760,704,816.52 and 300,348,768.83

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Solution

The fourth proportional to 551,242,315.08, 760,704,816.52 and 300,348,768.83 is: 414,476,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,242,315.08 : 760,704,816.52 = 300,348,768.83 : x
  2. Step 2: Convert to fraction form
    551,242,315.08/760,704,816.52 = 300,348,768.83/x
  3. Step 3: Cross multiply
    551,242,315.08x = 760,704,816.52 × 300,348,768.83
  4. Step 4: Simplify right side
    551,242,315.08x = 228,476,755,081,404,960
  5. Step 5: Solve for x
    x = 228,476,755,081,404,960/551,242,315.08
  6. Step 6: Final answer
    x = 414,476,082.17

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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.