Home / 399,641,231.07-551,476,901.75-232,365,624.89

Finding the Fourth Proportional to 399,641,231.07, 551,476,901.75 and 232,365,624.89

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Solution

The fourth proportional to 399,641,231.07, 551,476,901.75 and 232,365,624.89 is: 320,648,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,641,231.07 : 551,476,901.75 = 232,365,624.89 : x
  2. Step 2: Convert to fraction form
    399,641,231.07/551,476,901.75 = 232,365,624.89/x
  3. Step 3: Cross multiply
    399,641,231.07x = 551,476,901.75 × 232,365,624.89
  4. Step 4: Simplify right side
    399,641,231.07x = 128,144,274,883,620,672
  5. Step 5: Solve for x
    x = 128,144,274,883,620,672/399,641,231.07
  6. Step 6: Final answer
    x = 320,648,283.81

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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.