Home / 399,113,340.60-598,670,010.90-217,714,812.60

Finding the Fourth Proportional to 399,113,340.60, 598,670,010.90 and 217,714,812.60

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Solution

The fourth proportional to 399,113,340.60, 598,670,010.90 and 217,714,812.60 is: 326,572,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,113,340.60 : 598,670,010.90 = 217,714,812.60 : x
  2. Step 2: Convert to fraction form
    399,113,340.60/598,670,010.90 = 217,714,812.60/x
  3. Step 3: Cross multiply
    399,113,340.60x = 598,670,010.90 × 217,714,812.60
  4. Step 4: Simplify right side
    399,113,340.60x = 130,339,329,232,333,456
  5. Step 5: Solve for x
    x = 130,339,329,232,333,456/399,113,340.60
  6. Step 6: Final answer
    x = 326,572,218.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.