Home / 354,258,214.76-488,973,573.38-205,627,220.26

Finding the Fourth Proportional to 354,258,214.76, 488,973,573.38 and 205,627,220.26

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Solution

The fourth proportional to 354,258,214.76, 488,973,573.38 and 205,627,220.26 is: 283,822,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,258,214.76 : 488,973,573.38 = 205,627,220.26 : x
  2. Step 2: Convert to fraction form
    354,258,214.76/488,973,573.38 = 205,627,220.26/x
  3. Step 3: Cross multiply
    354,258,214.76x = 488,973,573.38 × 205,627,220.26
  4. Step 4: Simplify right side
    354,258,214.76x = 100,546,276,674,020,160
  5. Step 5: Solve for x
    x = 100,546,276,674,020,160/354,258,214.76
  6. Step 6: Final answer
    x = 283,822,004.64

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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.