Home / 678,304,310,888.93-1,017,756,926,928.80-355,530,415,783.15

Finding the Fourth Proportional to 678,304,310,888.93, 1,017,756,926,928.80 and 355,530,415,783.15

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Solution

The fourth proportional to 678,304,310,888.93, 1,017,756,926,928.80 and 355,530,415,783.15 is: 533,453,108,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,304,310,888.93 : 1,017,756,926,928.80 = 355,530,415,783.15 : x
  2. Step 2: Convert to fraction form
    678,304,310,888.93/1,017,756,926,928.80 = 355,530,415,783.15/x
  3. Step 3: Cross multiply
    678,304,310,888.93x = 1,017,756,926,928.80 × 355,530,415,783.15
  4. Step 4: Simplify right side
    678,304,310,888.93x = 361,843,543,397,177,319,489,536
  5. Step 5: Solve for x
    x = 361,843,543,397,177,319,489,536/678,304,310,888.93
  6. Step 6: Final answer
    x = 533,453,108,860.50

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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.