Home / 1,986,591,120,245.10-2,979,886,676,999.80-477,358,284,674.76

Finding the Fourth Proportional to 1,986,591,120,245.10, 2,979,886,676,999.80 and 477,358,284,674.76

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Solution

The fourth proportional to 1,986,591,120,245.10, 2,979,886,676,999.80 and 477,358,284,674.76 is: 716,037,426,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,591,120,245.10 : 2,979,886,676,999.80 = 477,358,284,674.76 : x
  2. Step 2: Convert to fraction form
    1,986,591,120,245.10/2,979,886,676,999.80 = 477,358,284,674.76/x
  3. Step 3: Cross multiply
    1,986,591,120,245.10x = 2,979,886,676,999.80 × 477,358,284,674.76
  4. Step 4: Simplify right side
    1,986,591,120,245.10x = 1,422,473,592,657,795,186,950,144
  5. Step 5: Solve for x
    x = 1,422,473,592,657,795,186,950,144/1,986,591,120,245.10
  6. Step 6: Final answer
    x = 716,037,426,202.88

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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.