Home / 5,402,288,640.78-7,455,941,290.98-3,112,975,462.77

Finding the Fourth Proportional to 5,402,288,640.78, 7,455,941,290.98 and 3,112,975,462.77

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Solution

The fourth proportional to 5,402,288,640.78, 7,455,941,290.98 and 3,112,975,462.77 is: 4,296,357,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402,288,640.78 : 7,455,941,290.98 = 3,112,975,462.77 : x
  2. Step 2: Convert to fraction form
    5,402,288,640.78/7,455,941,290.98 = 3,112,975,462.77/x
  3. Step 3: Cross multiply
    5,402,288,640.78x = 7,455,941,290.98 × 3,112,975,462.77
  4. Step 4: Simplify right side
    5,402,288,640.78x = 23,210,162,290,674,413,568
  5. Step 5: Solve for x
    x = 23,210,162,290,674,413,568/5,402,288,640.78
  6. Step 6: Final answer
    x = 4,296,357,309.65

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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.