Home / 9,189,881,581.00-12,681,907,669.16-5,120,954,784.12

Finding the Fourth Proportional to 9,189,881,581.00, 12,681,907,669.16 and 5,120,954,784.12

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Solution

The fourth proportional to 9,189,881,581.00, 12,681,907,669.16 and 5,120,954,784.12 is: 7,066,845,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189,881,581.00 : 12,681,907,669.16 = 5,120,954,784.12 : x
  2. Step 2: Convert to fraction form
    9,189,881,581.00/12,681,907,669.16 = 5,120,954,784.12/x
  3. Step 3: Cross multiply
    9,189,881,581.00x = 12,681,907,669.16 × 5,120,954,784.12
  4. Step 4: Simplify right side
    9,189,881,581.00x = 64,943,475,750,153,019,392
  5. Step 5: Solve for x
    x = 64,943,475,750,153,019,392/9,189,881,581.00
  6. Step 6: Final answer
    x = 7,066,845,767.03

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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.