Home / 399,298,539.60-598,947,809.40-140,511,704.40

Finding the Fourth Proportional to 399,298,539.60, 598,947,809.40 and 140,511,704.40

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Solution

The fourth proportional to 399,298,539.60, 598,947,809.40 and 140,511,704.40 is: 210,767,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,298,539.60 : 598,947,809.40 = 140,511,704.40 : x
  2. Step 2: Convert to fraction form
    399,298,539.60/598,947,809.40 = 140,511,704.40/x
  3. Step 3: Cross multiply
    399,298,539.60x = 598,947,809.40 × 140,511,704.40
  4. Step 4: Simplify right side
    399,298,539.60x = 84,159,177,545,440,336
  5. Step 5: Solve for x
    x = 84,159,177,545,440,336/399,298,539.60
  6. Step 6: Final answer
    x = 210,767,556.60

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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.