Home / 10,458,587,917.80-15,718,492,878.30-9,111,703,847.40

Finding the Fourth Proportional to 10,458,587,917.80, 15,718,492,878.30 and 9,111,703,847.40

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Solution

The fourth proportional to 10,458,587,917.80, 15,718,492,878.30 and 9,111,703,847.40 is: 13,694,224,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458,587,917.80 : 15,718,492,878.30 = 9,111,703,847.40 : x
  2. Step 2: Convert to fraction form
    10,458,587,917.80/15,718,492,878.30 = 9,111,703,847.40/x
  3. Step 3: Cross multiply
    10,458,587,917.80x = 15,718,492,878.30 × 9,111,703,847.40
  4. Step 4: Simplify right side
    10,458,587,917.80x = 143,222,252,034,535,604,224
  5. Step 5: Solve for x
    x = 143,222,252,034,535,604,224/10,458,587,917.80
  6. Step 6: Final answer
    x = 13,694,224,608.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.