Home / 839,938,942,453.58-1,159,103,404,859.30-469,147,771,605.45

Finding the Fourth Proportional to 839,938,942,453.58, 1,159,103,404,859.30 and 469,147,771,605.45

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Solution

The fourth proportional to 839,938,942,453.58, 1,159,103,404,859.30 and 469,147,771,605.45 is: 647,417,034,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,938,942,453.58 : 1,159,103,404,859.30 = 469,147,771,605.45 : x
  2. Step 2: Convert to fraction form
    839,938,942,453.58/1,159,103,404,859.30 = 469,147,771,605.45/x
  3. Step 3: Cross multiply
    839,938,942,453.58x = 1,159,103,404,859.30 × 469,147,771,605.45
  4. Step 4: Simplify right side
    839,938,942,453.58x = 543,790,779,450,030,364,295,168
  5. Step 5: Solve for x
    x = 543,790,779,450,030,364,295,168/839,938,942,453.58
  6. Step 6: Final answer
    x = 647,417,034,697.24

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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.