Home / 1,972,375,366.93-2,721,879,473.80-1,068,138,320.74

Finding the Fourth Proportional to 1,972,375,366.93, 2,721,879,473.80 and 1,068,138,320.74

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Solution

The fourth proportional to 1,972,375,366.93, 2,721,879,473.80 and 1,068,138,320.74 is: 1,474,031,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,375,366.93 : 2,721,879,473.80 = 1,068,138,320.74 : x
  2. Step 2: Convert to fraction form
    1,972,375,366.93/2,721,879,473.80 = 1,068,138,320.74/x
  3. Step 3: Cross multiply
    1,972,375,366.93x = 2,721,879,473.80 × 1,068,138,320.74
  4. Step 4: Simplify right side
    1,972,375,366.93x = 2,907,343,770,401,406,976
  5. Step 5: Solve for x
    x = 2,907,343,770,401,406,976/1,972,375,366.93
  6. Step 6: Final answer
    x = 1,474,031,677.31

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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.