Home / 390,955,015.37-586,148,192.89-183,586,571.09

Finding the Fourth Proportional to 390,955,015.37, 586,148,192.89 and 183,586,571.09

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Solution

The fourth proportional to 390,955,015.37, 586,148,192.89 and 183,586,571.09 is: 275,246,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,955,015.37 : 586,148,192.89 = 183,586,571.09 : x
  2. Step 2: Convert to fraction form
    390,955,015.37/586,148,192.89 = 183,586,571.09/x
  3. Step 3: Cross multiply
    390,955,015.37x = 586,148,192.89 × 183,586,571.09
  4. Step 4: Simplify right side
    390,955,015.37x = 107,608,936,883,275,024
  5. Step 5: Solve for x
    x = 107,608,936,883,275,024/390,955,015.37
  6. Step 6: Final answer
    x = 275,246,339.48

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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.