Home / 456,768,188.82-630,340,738.29-247,924,374.66

Finding the Fourth Proportional to 456,768,188.82, 630,340,738.29 and 247,924,374.66

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Solution

The fourth proportional to 456,768,188.82, 630,340,738.29 and 247,924,374.66 is: 342,135,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,768,188.82 : 630,340,738.29 = 247,924,374.66 : x
  2. Step 2: Convert to fraction form
    456,768,188.82/630,340,738.29 = 247,924,374.66/x
  3. Step 3: Cross multiply
    456,768,188.82x = 630,340,738.29 × 247,924,374.66
  4. Step 4: Simplify right side
    456,768,188.82x = 156,276,833,363,270,944
  5. Step 5: Solve for x
    x = 156,276,833,363,270,944/456,768,188.82
  6. Step 6: Final answer
    x = 342,135,983.17

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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.