Home / 578,392,505.62-867,586,866.06-209,926,966.75

Finding the Fourth Proportional to 578,392,505.62, 867,586,866.06 and 209,926,966.75

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Solution

The fourth proportional to 578,392,505.62, 867,586,866.06 and 209,926,966.75 is: 314,889,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,392,505.62 : 867,586,866.06 = 209,926,966.75 : x
  2. Step 2: Convert to fraction form
    578,392,505.62/867,586,866.06 = 209,926,966.75/x
  3. Step 3: Cross multiply
    578,392,505.62x = 867,586,866.06 × 209,926,966.75
  4. Step 4: Simplify right side
    578,392,505.62x = 182,129,879,182,732,576
  5. Step 5: Solve for x
    x = 182,129,879,182,732,576/578,392,505.62
  6. Step 6: Final answer
    x = 314,889,763.29

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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.