Home / 25,978,868,562,751-35,853,912,068,074-15,431,807,454,640

Finding the Fourth Proportional to 25,978,868,562,751, 35,853,912,068,074 and 15,431,807,454,640

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Solution

The fourth proportional to 25,978,868,562,751, 35,853,912,068,074 and 15,431,807,454,640 is: 21,297,719,960,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,978,868,562,751 : 35,853,912,068,074 = 15,431,807,454,640 : x
  2. Step 2: Convert to fraction form
    25,978,868,562,751/35,853,912,068,074 = 15,431,807,454,640/x
  3. Step 3: Cross multiply
    25,978,868,562,751x = 35,853,912,068,074 × 15,431,807,454,640
  4. Step 4: Simplify right side
    25,978,868,562,751x = 553,290,667,530,111,406,103,855,104
  5. Step 5: Solve for x
    x = 553,290,667,530,111,406,103,855,104/25,978,868,562,751
  6. Step 6: Final answer
    x = 21,297,719,960,115.21

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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.