Home / 9,681,521,331.51-13,360,363,628.31-5,394,915,323.28

Finding the Fourth Proportional to 9,681,521,331.51, 13,360,363,628.31 and 5,394,915,323.28

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Solution

The fourth proportional to 9,681,521,331.51, 13,360,363,628.31 and 5,394,915,323.28 is: 7,444,907,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681,521,331.51 : 13,360,363,628.31 = 5,394,915,323.28 : x
  2. Step 2: Convert to fraction form
    9,681,521,331.51/13,360,363,628.31 = 5,394,915,323.28/x
  3. Step 3: Cross multiply
    9,681,521,331.51x = 13,360,363,628.31 × 5,394,915,323.28
  4. Step 4: Simplify right side
    9,681,521,331.51x = 72,078,030,462,962,393,088
  5. Step 5: Solve for x
    x = 72,078,030,462,962,393,088/9,681,521,331.51
  6. Step 6: Final answer
    x = 7,444,907,468.04

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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.