Home / 1,786,430,529.40-2,679,773,780.94-476,325,719.12

Finding the Fourth Proportional to 1,786,430,529.40, 2,679,773,780.94 and 476,325,719.12

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Solution

The fourth proportional to 1,786,430,529.40, 2,679,773,780.94 and 476,325,719.12 is: 714,522,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,430,529.40 : 2,679,773,780.94 = 476,325,719.12 : x
  2. Step 2: Convert to fraction form
    1,786,430,529.40/2,679,773,780.94 = 476,325,719.12/x
  3. Step 3: Cross multiply
    1,786,430,529.40x = 2,679,773,780.94 × 476,325,719.12
  4. Step 4: Simplify right side
    1,786,430,529.40x = 1,276,445,173,285,166,848
  5. Step 5: Solve for x
    x = 1,276,445,173,285,166,848/1,786,430,529.40
  6. Step 6: Final answer
    x = 714,522,704.51

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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.