Home / 531,441,567.20-797,162,350.80-399,431,622.80

Finding the Fourth Proportional to 531,441,567.20, 797,162,350.80 and 399,431,622.80

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Solution

The fourth proportional to 531,441,567.20, 797,162,350.80 and 399,431,622.80 is: 599,147,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441,567.20 : 797,162,350.80 = 399,431,622.80 : x
  2. Step 2: Convert to fraction form
    531,441,567.20/797,162,350.80 = 399,431,622.80/x
  3. Step 3: Cross multiply
    531,441,567.20x = 797,162,350.80 × 399,431,622.80
  4. Step 4: Simplify right side
    531,441,567.20x = 318,411,851,415,106,880
  5. Step 5: Solve for x
    x = 318,411,851,415,106,880/531,441,567.20
  6. Step 6: Final answer
    x = 599,147,434.20

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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.