Home / 702,028,045.20-1,053,042,067.80-357,654,277.20

Finding the Fourth Proportional to 702,028,045.20, 1,053,042,067.80 and 357,654,277.20

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Solution

The fourth proportional to 702,028,045.20, 1,053,042,067.80 and 357,654,277.20 is: 536,481,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,028,045.20 : 1,053,042,067.80 = 357,654,277.20 : x
  2. Step 2: Convert to fraction form
    702,028,045.20/1,053,042,067.80 = 357,654,277.20/x
  3. Step 3: Cross multiply
    702,028,045.20x = 1,053,042,067.80 × 357,654,277.20
  4. Step 4: Simplify right side
    702,028,045.20x = 376,624,999,620,202,368
  5. Step 5: Solve for x
    x = 376,624,999,620,202,368/702,028,045.20
  6. Step 6: Final answer
    x = 536,481,415.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.