Home / 15,588,641,290.43-21,512,604,022.76-8,452,295,653.07

Finding the Fourth Proportional to 15,588,641,290.43, 21,512,604,022.76 and 8,452,295,653.07

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Solution

The fourth proportional to 15,588,641,290.43, 21,512,604,022.76 and 8,452,295,653.07 is: 11,664,319,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,641,290.43 : 21,512,604,022.76 = 8,452,295,653.07 : x
  2. Step 2: Convert to fraction form
    15,588,641,290.43/21,512,604,022.76 = 8,452,295,653.07/x
  3. Step 3: Cross multiply
    15,588,641,290.43x = 21,512,604,022.76 × 8,452,295,653.07
  4. Step 4: Simplify right side
    15,588,641,290.43x = 181,830,889,467,861,237,760
  5. Step 5: Solve for x
    x = 181,830,889,467,861,237,760/15,588,641,290.43
  6. Step 6: Final answer
    x = 11,664,319,300.20

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Double scale
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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.