Home / 1,179,515,587.41-1,768,236,978.69-480,595,440.24

Finding the Fourth Proportional to 1,179,515,587.41, 1,768,236,978.69 and 480,595,440.24

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Solution

The fourth proportional to 1,179,515,587.41, 1,768,236,978.69 and 480,595,440.24 is: 720,470,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,515,587.41 : 1,768,236,978.69 = 480,595,440.24 : x
  2. Step 2: Convert to fraction form
    1,179,515,587.41/1,768,236,978.69 = 480,595,440.24/x
  3. Step 3: Cross multiply
    1,179,515,587.41x = 1,768,236,978.69 × 480,595,440.24
  4. Step 4: Simplify right side
    1,179,515,587.41x = 849,806,629,222,168,064
  5. Step 5: Solve for x
    x = 849,806,629,222,168,064/1,179,515,587.41
  6. Step 6: Final answer
    x = 720,470,876.60

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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.