Home / 456,734,012.40-630,298,983.76-247,892,658.48

Finding the Fourth Proportional to 456,734,012.40, 630,298,983.76 and 247,892,658.48

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Solution

The fourth proportional to 456,734,012.40, 630,298,983.76 and 247,892,658.48 is: 342,095,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,734,012.40 : 630,298,983.76 = 247,892,658.48 : x
  2. Step 2: Convert to fraction form
    456,734,012.40/630,298,983.76 = 247,892,658.48/x
  3. Step 3: Cross multiply
    456,734,012.40x = 630,298,983.76 × 247,892,658.48
  4. Step 4: Simplify right side
    456,734,012.40x = 156,246,490,720,889,024
  5. Step 5: Solve for x
    x = 156,246,490,720,889,024/456,734,012.40
  6. Step 6: Final answer
    x = 342,095,150.52

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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.