Home / 1,811,437,218.12-2,716,707,054.72-776,180,702.28

Finding the Fourth Proportional to 1,811,437,218.12, 2,716,707,054.72 and 776,180,702.28

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Solution

The fourth proportional to 1,811,437,218.12, 2,716,707,054.72 and 776,180,702.28 is: 1,164,078,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,437,218.12 : 2,716,707,054.72 = 776,180,702.28 : x
  2. Step 2: Convert to fraction form
    1,811,437,218.12/2,716,707,054.72 = 776,180,702.28/x
  3. Step 3: Cross multiply
    1,811,437,218.12x = 2,716,707,054.72 × 776,180,702.28
  4. Step 4: Simplify right side
    1,811,437,218.12x = 2,108,655,589,621,599,744
  5. Step 5: Solve for x
    x = 2,108,655,589,621,599,744/1,811,437,218.12
  6. Step 6: Final answer
    x = 1,164,078,759.41

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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.