Home / 828,707,604.12-1,143,616,605.66-457,429,705.56

Finding the Fourth Proportional to 828,707,604.12, 1,143,616,605.66 and 457,429,705.56

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Solution

The fourth proportional to 828,707,604.12, 1,143,616,605.66 and 457,429,705.56 is: 631,253,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,707,604.12 : 1,143,616,605.66 = 457,429,705.56 : x
  2. Step 2: Convert to fraction form
    828,707,604.12/1,143,616,605.66 = 457,429,705.56/x
  3. Step 3: Cross multiply
    828,707,604.12x = 1,143,616,605.66 × 457,429,705.56
  4. Step 4: Simplify right side
    828,707,604.12x = 523,124,207,200,580,480
  5. Step 5: Solve for x
    x = 523,124,207,200,580,480/828,707,604.12
  6. Step 6: Final answer
    x = 631,253,055.48

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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.