Home / 380,406,586-570,805,117.84-181,211,455.20

Finding the Fourth Proportional to 380,406,586, 570,805,117.84 and 181,211,455.20

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Solution

The fourth proportional to 380,406,586, 570,805,117.84 and 181,211,455.20 is: 271,910,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,406,586 : 570,805,117.84 = 181,211,455.20 : x
  2. Step 2: Convert to fraction form
    380,406,586/570,805,117.84 = 181,211,455.20/x
  3. Step 3: Cross multiply
    380,406,586x = 570,805,117.84 × 181,211,455.20
  4. Step 4: Simplify right side
    380,406,586x = 103,436,426,039,393,888
  5. Step 5: Solve for x
    x = 103,436,426,039,393,888/380,406,586
  6. Step 6: Final answer
    x = 271,910,187.27

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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.