Home / 659,342,891.10-989,014,336.65-168,055,211.10

Finding the Fourth Proportional to 659,342,891.10, 989,014,336.65 and 168,055,211.10

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Solution

The fourth proportional to 659,342,891.10, 989,014,336.65 and 168,055,211.10 is: 252,082,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,342,891.10 : 989,014,336.65 = 168,055,211.10 : x
  2. Step 2: Convert to fraction form
    659,342,891.10/989,014,336.65 = 168,055,211.10/x
  3. Step 3: Cross multiply
    659,342,891.10x = 989,014,336.65 × 168,055,211.10
  4. Step 4: Simplify right side
    659,342,891.10x = 166,209,013,126,642,208
  5. Step 5: Solve for x
    x = 166,209,013,126,642,208/659,342,891.10
  6. Step 6: Final answer
    x = 252,082,816.65

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Double scale
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Similar ratio
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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.