Home / 839,938,942,454.35-1,159,103,404,860.40-469,147,771,606.20

Finding the Fourth Proportional to 839,938,942,454.35, 1,159,103,404,860.40 and 469,147,771,606.20

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Solution

The fourth proportional to 839,938,942,454.35, 1,159,103,404,860.40 and 469,147,771,606.20 is: 647,417,034,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,938,942,454.35 : 1,159,103,404,860.40 = 469,147,771,606.20 : x
  2. Step 2: Convert to fraction form
    839,938,942,454.35/1,159,103,404,860.40 = 469,147,771,606.20/x
  3. Step 3: Cross multiply
    839,938,942,454.35x = 1,159,103,404,860.40 × 469,147,771,606.20
  4. Step 4: Simplify right side
    839,938,942,454.35x = 543,790,779,451,415,692,574,720
  5. Step 5: Solve for x
    x = 543,790,779,451,415,692,574,720/839,938,942,454.35
  6. Step 6: Final answer
    x = 647,417,034,698.29

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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.