Home / 839,938,942,453.05-1,159,103,404,858.70-469,147,771,604.92

Finding the Fourth Proportional to 839,938,942,453.05, 1,159,103,404,858.70 and 469,147,771,604.92

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Solution

The fourth proportional to 839,938,942,453.05, 1,159,103,404,858.70 and 469,147,771,604.92 is: 647,417,034,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,938,942,453.05 : 1,159,103,404,858.70 = 469,147,771,604.92 : x
  2. Step 2: Convert to fraction form
    839,938,942,453.05/1,159,103,404,858.70 = 469,147,771,604.92/x
  3. Step 3: Cross multiply
    839,938,942,453.05x = 1,159,103,404,858.70 × 469,147,771,604.92
  4. Step 4: Simplify right side
    839,938,942,453.05x = 543,790,779,449,134,460,960,768
  5. Step 5: Solve for x
    x = 543,790,779,449,134,460,960,768/839,938,942,453.05
  6. Step 6: Final answer
    x = 647,417,034,696.58

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Double scale
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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.