Home / 456,749,447.72-630,314,929.14-247,905,665.96

Finding the Fourth Proportional to 456,749,447.72, 630,314,929.14 and 247,905,665.96

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Solution

The fourth proportional to 456,749,447.72, 630,314,929.14 and 247,905,665.96 is: 342,110,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,749,447.72 : 630,314,929.14 = 247,905,665.96 : x
  2. Step 2: Convert to fraction form
    456,749,447.72/630,314,929.14 = 247,905,665.96/x
  3. Step 3: Cross multiply
    456,749,447.72x = 630,314,929.14 × 247,905,665.96
  4. Step 4: Simplify right side
    456,749,447.72x = 156,258,642,272,981,920
  5. Step 5: Solve for x
    x = 156,258,642,272,981,920/456,749,447.72
  6. Step 6: Final answer
    x = 342,110,194.23

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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.