Home / 678,304,310,909.45-1,017,756,926,959.50-355,530,415,803.67

Finding the Fourth Proportional to 678,304,310,909.45, 1,017,756,926,959.50 and 355,530,415,803.67

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Solution

The fourth proportional to 678,304,310,909.45, 1,017,756,926,959.50 and 355,530,415,803.67 is: 533,453,108,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,304,310,909.45 : 1,017,756,926,959.50 = 355,530,415,803.67 : x
  2. Step 2: Convert to fraction form
    678,304,310,909.45/1,017,756,926,959.50 = 355,530,415,803.67/x
  3. Step 3: Cross multiply
    678,304,310,909.45x = 1,017,756,926,959.50 × 355,530,415,803.67
  4. Step 4: Simplify right side
    678,304,310,909.45x = 361,843,543,428,976,384,933,888
  5. Step 5: Solve for x
    x = 361,843,543,428,976,384,933,888/678,304,310,909.45
  6. Step 6: Final answer
    x = 533,453,108,891.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.