Home / 803,901,446.20-1,205,852,169.30-343,886,116.60

Finding the Fourth Proportional to 803,901,446.20, 1,205,852,169.30 and 343,886,116.60

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Solution

The fourth proportional to 803,901,446.20, 1,205,852,169.30 and 343,886,116.60 is: 515,829,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,901,446.20 : 1,205,852,169.30 = 343,886,116.60 : x
  2. Step 2: Convert to fraction form
    803,901,446.20/1,205,852,169.30 = 343,886,116.60/x
  3. Step 3: Cross multiply
    803,901,446.20x = 1,205,852,169.30 × 343,886,116.60
  4. Step 4: Simplify right side
    803,901,446.20x = 414,675,819,694,262,784
  5. Step 5: Solve for x
    x = 414,675,819,694,262,784/803,901,446.20
  6. Step 6: Final answer
    x = 515,829,174.90

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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.