Home / 1,075,751,930.57-1,485,223,101.23-877,985,167.39

Finding the Fourth Proportional to 1,075,751,930.57, 1,485,223,101.23 and 877,985,167.39

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Solution

The fourth proportional to 1,075,751,930.57, 1,485,223,101.23 and 877,985,167.39 is: 1,212,178,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,751,930.57 : 1,485,223,101.23 = 877,985,167.39 : x
  2. Step 2: Convert to fraction form
    1,075,751,930.57/1,485,223,101.23 = 877,985,167.39/x
  3. Step 3: Cross multiply
    1,075,751,930.57x = 1,485,223,101.23 × 877,985,167.39
  4. Step 4: Simplify right side
    1,075,751,930.57x = 1,304,003,853,144,916,480
  5. Step 5: Solve for x
    x = 1,304,003,853,144,916,480/1,075,751,930.57
  6. Step 6: Final answer
    x = 1,212,178,956.96

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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.