Home / 1,899,255,126.72-2,621,117,477.44-1,195,010,771.12

Finding the Fourth Proportional to 1,899,255,126.72, 2,621,117,477.44 and 1,195,010,771.12

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Solution

The fourth proportional to 1,899,255,126.72, 2,621,117,477.44 and 1,195,010,771.12 is: 1,649,206,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,255,126.72 : 2,621,117,477.44 = 1,195,010,771.12 : x
  2. Step 2: Convert to fraction form
    1,899,255,126.72/2,621,117,477.44 = 1,195,010,771.12/x
  3. Step 3: Cross multiply
    1,899,255,126.72x = 2,621,117,477.44 × 1,195,010,771.12
  4. Step 4: Simplify right side
    1,899,255,126.72x = 3,132,263,617,911,683,584
  5. Step 5: Solve for x
    x = 3,132,263,617,911,683,584/1,899,255,126.72
  6. Step 6: Final answer
    x = 1,649,206,351.40

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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.