Home / 531,116,368.50-732,940,588.80-311,099,794.50

Finding the Fourth Proportional to 531,116,368.50, 732,940,588.80 and 311,099,794.50

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Solution

The fourth proportional to 531,116,368.50, 732,940,588.80 and 311,099,794.50 is: 429,317,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,116,368.50 : 732,940,588.80 = 311,099,794.50 : x
  2. Step 2: Convert to fraction form
    531,116,368.50/732,940,588.80 = 311,099,794.50/x
  3. Step 3: Cross multiply
    531,116,368.50x = 732,940,588.80 × 311,099,794.50
  4. Step 4: Simplify right side
    531,116,368.50x = 228,017,666,556,388,992
  5. Step 5: Solve for x
    x = 228,017,666,556,388,992/531,116,368.50
  6. Step 6: Final answer
    x = 429,317,716.57

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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.