Home / 1,017,568,072.80-1,526,352,109.20-668,889,632.70

Finding the Fourth Proportional to 1,017,568,072.80, 1,526,352,109.20 and 668,889,632.70

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Solution

The fourth proportional to 1,017,568,072.80, 1,526,352,109.20 and 668,889,632.70 is: 1,003,334,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,568,072.80 : 1,526,352,109.20 = 668,889,632.70 : x
  2. Step 2: Convert to fraction form
    1,017,568,072.80/1,526,352,109.20 = 668,889,632.70/x
  3. Step 3: Cross multiply
    1,017,568,072.80x = 1,526,352,109.20 × 668,889,632.70
  4. Step 4: Simplify right side
    1,017,568,072.80x = 1,020,961,101,693,658,368
  5. Step 5: Solve for x
    x = 1,020,961,101,693,658,368/1,017,568,072.80
  6. Step 6: Final answer
    x = 1,003,334,449.05

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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.