Home / 1,939,989,188.81-2,677,186,253.38-1,047,916,309.39

Finding the Fourth Proportional to 1,939,989,188.81, 2,677,186,253.38 and 1,047,916,309.39

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Solution

The fourth proportional to 1,939,989,188.81, 2,677,186,253.38 and 1,047,916,309.39 is: 1,446,125,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,989,188.81 : 2,677,186,253.38 = 1,047,916,309.39 : x
  2. Step 2: Convert to fraction form
    1,939,989,188.81/2,677,186,253.38 = 1,047,916,309.39/x
  3. Step 3: Cross multiply
    1,939,989,188.81x = 2,677,186,253.38 × 1,047,916,309.39
  4. Step 4: Simplify right side
    1,939,989,188.81x = 2,805,467,138,199,373,824
  5. Step 5: Solve for x
    x = 2,805,467,138,199,373,824/1,939,989,188.81
  6. Step 6: Final answer
    x = 1,446,125,140.48

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Double scale
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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.