Home / 9,681,521,332.51-13,360,363,629.69-5,394,915,324.28

Finding the Fourth Proportional to 9,681,521,332.51, 13,360,363,629.69 and 5,394,915,324.28

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Solution

The fourth proportional to 9,681,521,332.51, 13,360,363,629.69 and 5,394,915,324.28 is: 7,444,907,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681,521,332.51 : 13,360,363,629.69 = 5,394,915,324.28 : x
  2. Step 2: Convert to fraction form
    9,681,521,332.51/13,360,363,629.69 = 5,394,915,324.28/x
  3. Step 3: Cross multiply
    9,681,521,332.51x = 13,360,363,629.69 × 5,394,915,324.28
  4. Step 4: Simplify right side
    9,681,521,332.51x = 72,078,030,483,767,746,560
  5. Step 5: Solve for x
    x = 72,078,030,483,767,746,560/9,681,521,332.51
  6. Step 6: Final answer
    x = 7,444,907,469.42

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1.5x scale

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.