Home / 407,973,258.40-562,986,671.76-222,330,288.16

Finding the Fourth Proportional to 407,973,258.40, 562,986,671.76 and 222,330,288.16

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Solution

The fourth proportional to 407,973,258.40, 562,986,671.76 and 222,330,288.16 is: 306,806,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,973,258.40 : 562,986,671.76 = 222,330,288.16 : x
  2. Step 2: Convert to fraction form
    407,973,258.40/562,986,671.76 = 222,330,288.16/x
  3. Step 3: Cross multiply
    407,973,258.40x = 562,986,671.76 × 222,330,288.16
  4. Step 4: Simplify right side
    407,973,258.40x = 125,168,988,962,640,128
  5. Step 5: Solve for x
    x = 125,168,988,962,640,128/407,973,258.40
  6. Step 6: Final answer
    x = 306,806,846.74

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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.