Home / 1,011,715,138-1,395,739,370.01-677,295,405.46

Finding the Fourth Proportional to 1,011,715,138, 1,395,739,370.01 and 677,295,405.46

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Solution

The fourth proportional to 1,011,715,138, 1,395,739,370.01 and 677,295,405.46 is: 934,381,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,715,138 : 1,395,739,370.01 = 677,295,405.46 : x
  2. Step 2: Convert to fraction form
    1,011,715,138/1,395,739,370.01 = 677,295,405.46/x
  3. Step 3: Cross multiply
    1,011,715,138x = 1,395,739,370.01 × 677,295,405.46
  4. Step 4: Simplify right side
    1,011,715,138x = 945,327,862,527,408,000
  5. Step 5: Solve for x
    x = 945,327,862,527,408,000/1,011,715,138
  6. Step 6: Final answer
    x = 934,381,454.84

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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.