Home / 828,707,605.12-1,143,616,607.04-457,429,706.56

Finding the Fourth Proportional to 828,707,605.12, 1,143,616,607.04 and 457,429,706.56

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Solution

The fourth proportional to 828,707,605.12, 1,143,616,607.04 and 457,429,706.56 is: 631,253,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,707,605.12 : 1,143,616,607.04 = 457,429,706.56 : x
  2. Step 2: Convert to fraction form
    828,707,605.12/1,143,616,607.04 = 457,429,706.56/x
  3. Step 3: Cross multiply
    828,707,605.12x = 1,143,616,607.04 × 457,429,706.56
  4. Step 4: Simplify right side
    828,707,605.12x = 523,124,208,975,449,984
  5. Step 5: Solve for x
    x = 523,124,208,975,449,984/828,707,605.12
  6. Step 6: Final answer
    x = 631,253,056.86

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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.