Home / 879,515,549.52-1,213,839,139.44-508,237,580.88

Finding the Fourth Proportional to 879,515,549.52, 1,213,839,139.44 and 508,237,580.88

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Solution

The fourth proportional to 879,515,549.52, 1,213,839,139.44 and 508,237,580.88 is: 701,430,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,515,549.52 : 1,213,839,139.44 = 508,237,580.88 : x
  2. Step 2: Convert to fraction form
    879,515,549.52/1,213,839,139.44 = 508,237,580.88/x
  3. Step 3: Cross multiply
    879,515,549.52x = 1,213,839,139.44 × 508,237,580.88
  4. Step 4: Simplify right side
    879,515,549.52x = 616,918,667,806,446,592
  5. Step 5: Solve for x
    x = 616,918,667,806,446,592/879,515,549.52
  6. Step 6: Final answer
    x = 701,430,086.31

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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.