Home / 678,304,310,892.40-1,017,756,926,934.10-355,530,415,786.65

Finding the Fourth Proportional to 678,304,310,892.40, 1,017,756,926,934.10 and 355,530,415,786.65

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Solution

The fourth proportional to 678,304,310,892.40, 1,017,756,926,934.10 and 355,530,415,786.65 is: 533,453,108,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,304,310,892.40 : 1,017,756,926,934.10 = 355,530,415,786.65 : x
  2. Step 2: Convert to fraction form
    678,304,310,892.40/1,017,756,926,934.10 = 355,530,415,786.65/x
  3. Step 3: Cross multiply
    678,304,310,892.40x = 1,017,756,926,934.10 × 355,530,415,786.65
  4. Step 4: Simplify right side
    678,304,310,892.40x = 361,843,543,402,623,740,674,048
  5. Step 5: Solve for x
    x = 361,843,543,402,623,740,674,048/678,304,310,892.40
  6. Step 6: Final answer
    x = 533,453,108,865.80

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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.