Home / 436,622,920.20-654,934,380.30-430,883,357.40

Finding the Fourth Proportional to 436,622,920.20, 654,934,380.30 and 430,883,357.40

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Solution

The fourth proportional to 436,622,920.20, 654,934,380.30 and 430,883,357.40 is: 646,325,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,622,920.20 : 654,934,380.30 = 430,883,357.40 : x
  2. Step 2: Convert to fraction form
    436,622,920.20/654,934,380.30 = 430,883,357.40/x
  3. Step 3: Cross multiply
    436,622,920.20x = 654,934,380.30 × 430,883,357.40
  4. Step 4: Simplify right side
    436,622,920.20x = 282,200,324,660,352,384
  5. Step 5: Solve for x
    x = 282,200,324,660,352,384/436,622,920.20
  6. Step 6: Final answer
    x = 646,325,036.10

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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.