Home / 1,812,945,313,128.40-2,501,899,355,710.10-989,914,903,051.15

Finding the Fourth Proportional to 1,812,945,313,128.40, 2,501,899,355,710.10 and 989,914,903,051.15

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Solution

The fourth proportional to 1,812,945,313,128.40, 2,501,899,355,710.10 and 989,914,903,051.15 is: 1,366,101,580,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,945,313,128.40 : 2,501,899,355,710.10 = 989,914,903,051.15 : x
  2. Step 2: Convert to fraction form
    1,812,945,313,128.40/2,501,899,355,710.10 = 989,914,903,051.15/x
  3. Step 3: Cross multiply
    1,812,945,313,128.40x = 2,501,899,355,710.10 × 989,914,903,051.15
  4. Step 4: Simplify right side
    1,812,945,313,128.40x = 2,476,667,458,151,498,525,966,336
  5. Step 5: Solve for x
    x = 2,476,667,458,151,498,525,966,336/1,812,945,313,128.40
  6. Step 6: Final answer
    x = 1,366,101,580,790.53

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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.