Home / 561,445,202.76-774,742,383.98-310,544,194.76

Finding the Fourth Proportional to 561,445,202.76, 774,742,383.98 and 310,544,194.76

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Solution

The fourth proportional to 561,445,202.76, 774,742,383.98 and 310,544,194.76 is: 428,522,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,445,202.76 : 774,742,383.98 = 310,544,194.76 : x
  2. Step 2: Convert to fraction form
    561,445,202.76/774,742,383.98 = 310,544,194.76/x
  3. Step 3: Cross multiply
    561,445,202.76x = 774,742,383.98 × 310,544,194.76
  4. Step 4: Simplify right side
    561,445,202.76x = 240,591,749,779,511,808
  5. Step 5: Solve for x
    x = 240,591,749,779,511,808/561,445,202.76
  6. Step 6: Final answer
    x = 428,522,229.06

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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.