Home / 663,897,749.01-916,180,183.78-366,540,566.28

Finding the Fourth Proportional to 663,897,749.01, 916,180,183.78 and 366,540,566.28

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Solution

The fourth proportional to 663,897,749.01, 916,180,183.78 and 366,540,566.28 is: 505,826,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,897,749.01 : 916,180,183.78 = 366,540,566.28 : x
  2. Step 2: Convert to fraction form
    663,897,749.01/916,180,183.78 = 366,540,566.28/x
  3. Step 3: Cross multiply
    663,897,749.01x = 916,180,183.78 × 366,540,566.28
  4. Step 4: Simplify right side
    663,897,749.01x = 335,817,203,376,319,296
  5. Step 5: Solve for x
    x = 335,817,203,376,319,296/663,897,749.01
  6. Step 6: Final answer
    x = 505,826,693.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.