Home / 390,955,028.50-586,148,212.56-183,586,584.22

Finding the Fourth Proportional to 390,955,028.50, 586,148,212.56 and 183,586,584.22

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Solution

The fourth proportional to 390,955,028.50, 586,148,212.56 and 183,586,584.22 is: 275,246,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,955,028.50 : 586,148,212.56 = 183,586,584.22 : x
  2. Step 2: Convert to fraction form
    390,955,028.50/586,148,212.56 = 183,586,584.22/x
  3. Step 3: Cross multiply
    390,955,028.50x = 586,148,212.56 × 183,586,584.22
  4. Step 4: Simplify right side
    390,955,028.50x = 107,608,948,190,548,896
  5. Step 5: Solve for x
    x = 107,608,948,190,548,896/390,955,028.50
  6. Step 6: Final answer
    x = 275,246,359.16

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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.