Home / 1,939,989,189.81-2,677,186,254.76-1,047,916,310.39

Finding the Fourth Proportional to 1,939,989,189.81, 2,677,186,254.76 and 1,047,916,310.39

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Solution

The fourth proportional to 1,939,989,189.81, 2,677,186,254.76 and 1,047,916,310.39 is: 1,446,125,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,989,189.81 : 2,677,186,254.76 = 1,047,916,310.39 : x
  2. Step 2: Convert to fraction form
    1,939,989,189.81/2,677,186,254.76 = 1,047,916,310.39/x
  3. Step 3: Cross multiply
    1,939,989,189.81x = 2,677,186,254.76 × 1,047,916,310.39
  4. Step 4: Simplify right side
    1,939,989,189.81x = 2,805,467,142,314,921,984
  5. Step 5: Solve for x
    x = 2,805,467,142,314,921,984/1,939,989,189.81
  6. Step 6: Final answer
    x = 1,446,125,141.86

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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.