Home / 1,566,269,107.40-2,349,403,661.10-1,311,465,139.40

Finding the Fourth Proportional to 1,566,269,107.40, 2,349,403,661.10 and 1,311,465,139.40

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Solution

The fourth proportional to 1,566,269,107.40, 2,349,403,661.10 and 1,311,465,139.40 is: 1,967,197,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,269,107.40 : 2,349,403,661.10 = 1,311,465,139.40 : x
  2. Step 2: Convert to fraction form
    1,566,269,107.40/2,349,403,661.10 = 1,311,465,139.40/x
  3. Step 3: Cross multiply
    1,566,269,107.40x = 2,349,403,661.10 × 1,311,465,139.40
  4. Step 4: Simplify right side
    1,566,269,107.40x = 3,081,160,999,911,382,016
  5. Step 5: Solve for x
    x = 3,081,160,999,911,382,016/1,566,269,107.40
  6. Step 6: Final answer
    x = 1,967,197,709.10

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Double scale
Find fourth proportional to 1,566,269,108.40, 2,349,403,662.60 and 1,311,465,140.40
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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.