Home / 1,003,142,862.69-1,504,118,198.83-381,403,605.94

Finding the Fourth Proportional to 1,003,142,862.69, 1,504,118,198.83 and 381,403,605.94

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Solution

The fourth proportional to 1,003,142,862.69, 1,504,118,198.83 and 381,403,605.94 is: 571,878,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,142,862.69 : 1,504,118,198.83 = 381,403,605.94 : x
  2. Step 2: Convert to fraction form
    1,003,142,862.69/1,504,118,198.83 = 381,403,605.94/x
  3. Step 3: Cross multiply
    1,003,142,862.69x = 1,504,118,198.83 × 381,403,605.94
  4. Step 4: Simplify right side
    1,003,142,862.69x = 573,676,104,798,219,008
  5. Step 5: Solve for x
    x = 573,676,104,798,219,008/1,003,142,862.69
  6. Step 6: Final answer
    x = 571,878,768.36

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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.