Home / 613,376,364.20-920,064,546.30-368,488,351.40

Finding the Fourth Proportional to 613,376,364.20, 920,064,546.30 and 368,488,351.40

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Solution

The fourth proportional to 613,376,364.20, 920,064,546.30 and 368,488,351.40 is: 552,732,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,376,364.20 : 920,064,546.30 = 368,488,351.40 : x
  2. Step 2: Convert to fraction form
    613,376,364.20/920,064,546.30 = 368,488,351.40/x
  3. Step 3: Cross multiply
    613,376,364.20x = 920,064,546.30 × 368,488,351.40
  4. Step 4: Simplify right side
    613,376,364.20x = 339,033,067,847,675,904
  5. Step 5: Solve for x
    x = 339,033,067,847,675,904/613,376,364.20
  6. Step 6: Final answer
    x = 552,732,527.10

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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.