Home / 578,392,506.12-867,586,866.82-209,926,967.25

Finding the Fourth Proportional to 578,392,506.12, 867,586,866.82 and 209,926,967.25

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Solution

The fourth proportional to 578,392,506.12, 867,586,866.82 and 209,926,967.25 is: 314,889,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,392,506.12 : 867,586,866.82 = 209,926,967.25 : x
  2. Step 2: Convert to fraction form
    578,392,506.12/867,586,866.82 = 209,926,967.25/x
  3. Step 3: Cross multiply
    578,392,506.12x = 867,586,866.82 × 209,926,967.25
  4. Step 4: Simplify right side
    578,392,506.12x = 182,129,879,776,402,624
  5. Step 5: Solve for x
    x = 182,129,879,776,402,624/578,392,506.12
  6. Step 6: Final answer
    x = 314,889,764.04

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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.