Home / 390,955,016.37-586,148,194.39-183,586,572.09

Finding the Fourth Proportional to 390,955,016.37, 586,148,194.39 and 183,586,572.09

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Solution

The fourth proportional to 390,955,016.37, 586,148,194.39 and 183,586,572.09 is: 275,246,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,955,016.37 : 586,148,194.39 = 183,586,572.09 : x
  2. Step 2: Convert to fraction form
    390,955,016.37/586,148,194.39 = 183,586,572.09/x
  3. Step 3: Cross multiply
    390,955,016.37x = 586,148,194.39 × 183,586,572.09
  4. Step 4: Simplify right side
    390,955,016.37x = 107,608,937,744,803,072
  5. Step 5: Solve for x
    x = 107,608,937,744,803,072/390,955,016.37
  6. Step 6: Final answer
    x = 275,246,340.98

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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.