Home / 551,325,963.12-760,834,931.64-303,816,174.96

Finding the Fourth Proportional to 551,325,963.12, 760,834,931.64 and 303,816,174.96

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Solution

The fourth proportional to 551,325,963.12, 760,834,931.64 and 303,816,174.96 is: 419,269,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,325,963.12 : 760,834,931.64 = 303,816,174.96 : x
  2. Step 2: Convert to fraction form
    551,325,963.12/760,834,931.64 = 303,816,174.96/x
  3. Step 3: Cross multiply
    551,325,963.12x = 760,834,931.64 × 303,816,174.96
  4. Step 4: Simplify right side
    551,325,963.12x = 231,153,958,706,817,856
  5. Step 5: Solve for x
    x = 231,153,958,706,817,856/551,325,963.12
  6. Step 6: Final answer
    x = 419,269,133.27

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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.