Home / 354,339,746.60-531,509,619.90-163,236,770.60

Finding the Fourth Proportional to 354,339,746.60, 531,509,619.90 and 163,236,770.60

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Solution

The fourth proportional to 354,339,746.60, 531,509,619.90 and 163,236,770.60 is: 244,855,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,339,746.60 : 531,509,619.90 = 163,236,770.60 : x
  2. Step 2: Convert to fraction form
    354,339,746.60/531,509,619.90 = 163,236,770.60/x
  3. Step 3: Cross multiply
    354,339,746.60x = 531,509,619.90 × 163,236,770.60
  4. Step 4: Simplify right side
    354,339,746.60x = 86,761,913,895,309,488
  5. Step 5: Solve for x
    x = 86,761,913,895,309,488/354,339,746.60
  6. Step 6: Final answer
    x = 244,855,155.90

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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.