Home / 659,341,966.60-989,012,949.90-168,054,286.60

Finding the Fourth Proportional to 659,341,966.60, 989,012,949.90 and 168,054,286.60

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Solution

The fourth proportional to 659,341,966.60, 989,012,949.90 and 168,054,286.60 is: 252,081,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,341,966.60 : 989,012,949.90 = 168,054,286.60 : x
  2. Step 2: Convert to fraction form
    659,341,966.60/989,012,949.90 = 168,054,286.60/x
  3. Step 3: Cross multiply
    659,341,966.60x = 989,012,949.90 × 168,054,286.60
  4. Step 4: Simplify right side
    659,341,966.60x = 166,207,865,733,606,016
  5. Step 5: Solve for x
    x = 166,207,865,733,606,016/659,341,966.60
  6. Step 6: Final answer
    x = 252,081,429.90

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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.