Home / 1,011,715,137-1,395,739,368.63-677,295,404.46

Finding the Fourth Proportional to 1,011,715,137, 1,395,739,368.63 and 677,295,404.46

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Solution

The fourth proportional to 1,011,715,137, 1,395,739,368.63 and 677,295,404.46 is: 934,381,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,715,137 : 1,395,739,368.63 = 677,295,404.46 : x
  2. Step 2: Convert to fraction form
    1,011,715,137/1,395,739,368.63 = 677,295,404.46/x
  3. Step 3: Cross multiply
    1,011,715,137x = 1,395,739,368.63 × 677,295,404.46
  4. Step 4: Simplify right side
    1,011,715,137x = 945,327,860,197,000,960
  5. Step 5: Solve for x
    x = 945,327,860,197,000,960/1,011,715,137
  6. Step 6: Final answer
    x = 934,381,453.46

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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.