Home / 9,789,258,831,508-13,509,219,186,395-5,339,796,811,389

Finding the Fourth Proportional to 9,789,258,831,508, 13,509,219,186,395 and 5,339,796,811,389

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Solution

The fourth proportional to 9,789,258,831,508, 13,509,219,186,395 and 5,339,796,811,389 is: 7,368,942,509,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,258,831,508 : 13,509,219,186,395 = 5,339,796,811,389 : x
  2. Step 2: Convert to fraction form
    9,789,258,831,508/13,509,219,186,395 = 5,339,796,811,389/x
  3. Step 3: Cross multiply
    9,789,258,831,508x = 13,509,219,186,395 × 5,339,796,811,389
  4. Step 4: Simplify right side
    9,789,258,831,508x = 72,136,485,535,867,119,398,289,408
  5. Step 5: Solve for x
    x = 72,136,485,535,867,119,398,289,408/9,789,258,831,508
  6. Step 6: Final answer
    x = 7,368,942,509,078.06

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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.