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Finding the Fourth Proportional to 1,609,642,713.70, 2,414,464,070.55 and 874,978,675.30

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Solution

The fourth proportional to 1,609,642,713.70, 2,414,464,070.55 and 874,978,675.30 is: 1,312,468,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,642,713.70 : 2,414,464,070.55 = 874,978,675.30 : x
  2. Step 2: Convert to fraction form
    1,609,642,713.70/2,414,464,070.55 = 874,978,675.30/x
  3. Step 3: Cross multiply
    1,609,642,713.70x = 2,414,464,070.55 × 874,978,675.30
  4. Step 4: Simplify right side
    1,609,642,713.70x = 2,112,604,574,009,284,864
  5. Step 5: Solve for x
    x = 2,112,604,574,009,284,864/1,609,642,713.70
  6. Step 6: Final answer
    x = 1,312,468,012.95

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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.