Home / 13,641,407,215.02-18,825,171,131.34-7,700,959,717.02

Finding the Fourth Proportional to 13,641,407,215.02, 18,825,171,131.34 and 7,700,959,717.02

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Solution

The fourth proportional to 13,641,407,215.02, 18,825,171,131.34 and 7,700,959,717.02 is: 10,627,340,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641,407,215.02 : 18,825,171,131.34 = 7,700,959,717.02 : x
  2. Step 2: Convert to fraction form
    13,641,407,215.02/18,825,171,131.34 = 7,700,959,717.02/x
  3. Step 3: Cross multiply
    13,641,407,215.02x = 18,825,171,131.34 × 7,700,959,717.02
  4. Step 4: Simplify right side
    13,641,407,215.02x = 144,971,884,548,457,168,896
  5. Step 5: Solve for x
    x = 144,971,884,548,457,168,896/13,641,407,215.02
  6. Step 6: Final answer
    x = 10,627,340,879.38

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Double scale
Find fourth proportional to 13,641,407,216.02, 18,825,171,132.72 and 7,700,959,718.02
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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.