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Finding the Fourth Proportional to 1,075,608,326.54, 1,485,026,043.46 and 877,842,290.54

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Solution

The fourth proportional to 1,075,608,326.54, 1,485,026,043.46 and 877,842,290.54 is: 1,211,982,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,608,326.54 : 1,485,026,043.46 = 877,842,290.54 : x
  2. Step 2: Convert to fraction form
    1,075,608,326.54/1,485,026,043.46 = 877,842,290.54/x
  3. Step 3: Cross multiply
    1,075,608,326.54x = 1,485,026,043.46 × 877,842,290.54
  4. Step 4: Simplify right side
    1,075,608,326.54x = 1,303,618,663,502,479,872
  5. Step 5: Solve for x
    x = 1,303,618,663,502,479,872/1,075,608,326.54
  6. Step 6: Final answer
    x = 1,211,982,681.18

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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.