Home / 9,789,258,831,507-13,509,219,186,394-5,339,796,811,388

Finding the Fourth Proportional to 9,789,258,831,507, 13,509,219,186,394 and 5,339,796,811,388

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Solution

The fourth proportional to 9,789,258,831,507, 13,509,219,186,394 and 5,339,796,811,388 is: 7,368,942,509,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,258,831,507 : 13,509,219,186,394 = 5,339,796,811,388 : x
  2. Step 2: Convert to fraction form
    9,789,258,831,507/13,509,219,186,394 = 5,339,796,811,388/x
  3. Step 3: Cross multiply
    9,789,258,831,507x = 13,509,219,186,394 × 5,339,796,811,388
  4. Step 4: Simplify right side
    9,789,258,831,507x = 72,136,485,535,848,273,081,794,560
  5. Step 5: Solve for x
    x = 72,136,485,535,848,273,081,794,560/9,789,258,831,507
  6. Step 6: Final answer
    x = 7,368,942,509,076.89

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Double scale
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1.5x scale

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.