Home / 770,870,584.45-1,063,770,760.93-436,412,485.72

Finding the Fourth Proportional to 770,870,584.45, 1,063,770,760.93 and 436,412,485.72

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Solution

The fourth proportional to 770,870,584.45, 1,063,770,760.93 and 436,412,485.72 is: 602,231,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,870,584.45 : 1,063,770,760.93 = 436,412,485.72 : x
  2. Step 2: Convert to fraction form
    770,870,584.45/1,063,770,760.93 = 436,412,485.72/x
  3. Step 3: Cross multiply
    770,870,584.45x = 1,063,770,760.93 × 436,412,485.72
  4. Step 4: Simplify right side
    770,870,584.45x = 464,242,842,013,717,184
  5. Step 5: Solve for x
    x = 464,242,842,013,717,184/770,870,584.45
  6. Step 6: Final answer
    x = 602,231,880.91

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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.