Home / 407,973,260.40-562,986,674.52-222,330,290.16

Finding the Fourth Proportional to 407,973,260.40, 562,986,674.52 and 222,330,290.16

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Solution

The fourth proportional to 407,973,260.40, 562,986,674.52 and 222,330,290.16 is: 306,806,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,973,260.40 : 562,986,674.52 = 222,330,290.16 : x
  2. Step 2: Convert to fraction form
    407,973,260.40/562,986,674.52 = 222,330,290.16/x
  3. Step 3: Cross multiply
    407,973,260.40x = 562,986,674.52 × 222,330,290.16
  4. Step 4: Simplify right side
    407,973,260.40x = 125,168,990,702,245,072
  5. Step 5: Solve for x
    x = 125,168,990,702,245,072/407,973,260.40
  6. Step 6: Final answer
    x = 306,806,849.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.