Home / 456,768,192.76-630,340,743.74-247,924,378.60

Finding the Fourth Proportional to 456,768,192.76, 630,340,743.74 and 247,924,378.60

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Solution

The fourth proportional to 456,768,192.76, 630,340,743.74 and 247,924,378.60 is: 342,135,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,768,192.76 : 630,340,743.74 = 247,924,378.60 : x
  2. Step 2: Convert to fraction form
    456,768,192.76/630,340,743.74 = 247,924,378.60/x
  3. Step 3: Cross multiply
    456,768,192.76x = 630,340,743.74 × 247,924,378.60
  4. Step 4: Simplify right side
    456,768,192.76x = 156,276,837,195,185,856
  5. Step 5: Solve for x
    x = 156,276,837,195,185,856/456,768,192.76
  6. Step 6: Final answer
    x = 342,135,988.61

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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.