Home / 354,620,676.90-531,931,015.35-191,362,001.70

Finding the Fourth Proportional to 354,620,676.90, 531,931,015.35 and 191,362,001.70

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Solution

The fourth proportional to 354,620,676.90, 531,931,015.35 and 191,362,001.70 is: 287,043,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,620,676.90 : 531,931,015.35 = 191,362,001.70 : x
  2. Step 2: Convert to fraction form
    354,620,676.90/531,931,015.35 = 191,362,001.70/x
  3. Step 3: Cross multiply
    354,620,676.90x = 531,931,015.35 × 191,362,001.70
  4. Step 4: Simplify right side
    354,620,676.90x = 101,791,383,863,689,424
  5. Step 5: Solve for x
    x = 101,791,383,863,689,424/354,620,676.90
  6. Step 6: Final answer
    x = 287,043,002.55

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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.