Home / 456,749,445.72-630,314,926.38-247,905,663.96

Finding the Fourth Proportional to 456,749,445.72, 630,314,926.38 and 247,905,663.96

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Solution

The fourth proportional to 456,749,445.72, 630,314,926.38 and 247,905,663.96 is: 342,110,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,749,445.72 : 630,314,926.38 = 247,905,663.96 : x
  2. Step 2: Convert to fraction form
    456,749,445.72/630,314,926.38 = 247,905,663.96/x
  3. Step 3: Cross multiply
    456,749,445.72x = 630,314,926.38 × 247,905,663.96
  4. Step 4: Simplify right side
    456,749,445.72x = 156,258,640,328,132,416
  5. Step 5: Solve for x
    x = 156,258,640,328,132,416/456,749,445.72
  6. Step 6: Final answer
    x = 342,110,191.47

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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.