Home / 221,185,497.60-331,778,246.40-188,936,870.40

Finding the Fourth Proportional to 221,185,497.60, 331,778,246.40 and 188,936,870.40

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Solution

The fourth proportional to 221,185,497.60, 331,778,246.40 and 188,936,870.40 is: 283,405,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,185,497.60 : 331,778,246.40 = 188,936,870.40 : x
  2. Step 2: Convert to fraction form
    221,185,497.60/331,778,246.40 = 188,936,870.40/x
  3. Step 3: Cross multiply
    221,185,497.60x = 331,778,246.40 × 188,936,870.40
  4. Step 4: Simplify right side
    221,185,497.60x = 62,685,143,541,616,064
  5. Step 5: Solve for x
    x = 62,685,143,541,616,064/221,185,497.60
  6. Step 6: Final answer
    x = 283,405,305.60

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1.5x scale

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.