Home / 2,131,736,797.15-2,941,599,360.12-1,179,097,031.43

Finding the Fourth Proportional to 2,131,736,797.15, 2,941,599,360.12 and 1,179,097,031.43

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Solution

The fourth proportional to 2,131,736,797.15, 2,941,599,360.12 and 1,179,097,031.43 is: 1,627,044,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,736,797.15 : 2,941,599,360.12 = 1,179,097,031.43 : x
  2. Step 2: Convert to fraction form
    2,131,736,797.15/2,941,599,360.12 = 1,179,097,031.43/x
  3. Step 3: Cross multiply
    2,131,736,797.15x = 2,941,599,360.12 × 1,179,097,031.43
  4. Step 4: Simplify right side
    2,131,736,797.15x = 3,468,431,073,173,879,808
  5. Step 5: Solve for x
    x = 3,468,431,073,173,879,808/2,131,736,797.15
  6. Step 6: Final answer
    x = 1,627,044,707.31

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Double scale
Find fourth proportional to 2,131,736,798.15, 2,941,599,361.50 and 1,179,097,032.43
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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.