Home / 456,762,232.59-630,315,002.56-247,913,891.21

Finding the Fourth Proportional to 456,762,232.59, 630,315,002.56 and 247,913,891.21

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Solution

The fourth proportional to 456,762,232.59, 630,315,002.56 and 247,913,891.21 is: 342,112,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,762,232.59 : 630,315,002.56 = 247,913,891.21 : x
  2. Step 2: Convert to fraction form
    456,762,232.59/630,315,002.56 = 247,913,891.21/x
  3. Step 3: Cross multiply
    456,762,232.59x = 630,315,002.56 × 247,913,891.21
  4. Step 4: Simplify right side
    456,762,232.59x = 156,263,844,968,919,360
  5. Step 5: Solve for x
    x = 156,263,844,968,919,360/456,762,232.59
  6. Step 6: Final answer
    x = 342,112,008.87

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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.