Home / 678,304,310,901.32-1,017,756,926,947.30-355,530,415,795.52

Finding the Fourth Proportional to 678,304,310,901.32, 1,017,756,926,947.30 and 355,530,415,795.52

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Solution

The fourth proportional to 678,304,310,901.32, 1,017,756,926,947.30 and 355,530,415,795.52 is: 533,453,108,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,304,310,901.32 : 1,017,756,926,947.30 = 355,530,415,795.52 : x
  2. Step 2: Convert to fraction form
    678,304,310,901.32/1,017,756,926,947.30 = 355,530,415,795.52/x
  3. Step 3: Cross multiply
    678,304,310,901.32x = 1,017,756,926,947.30 × 355,530,415,795.52
  4. Step 4: Simplify right side
    678,304,310,901.32x = 361,843,543,416,344,282,136,576
  5. Step 5: Solve for x
    x = 361,843,543,416,344,282,136,576/678,304,310,901.32
  6. Step 6: Final answer
    x = 533,453,108,879.01

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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.