Home / 28,194,982,609.85-42,309,869,617.92-13,065,731,995.92

Finding the Fourth Proportional to 28,194,982,609.85, 42,309,869,617.92 and 13,065,731,995.92

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Solution

The fourth proportional to 28,194,982,609.85, 42,309,869,617.92 and 13,065,731,995.92 is: 19,606,659,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194,982,609.85 : 42,309,869,617.92 = 13,065,731,995.92 : x
  2. Step 2: Convert to fraction form
    28,194,982,609.85/42,309,869,617.92 = 13,065,731,995.92/x
  3. Step 3: Cross multiply
    28,194,982,609.85x = 42,309,869,617.92 × 13,065,731,995.92
  4. Step 4: Simplify right side
    28,194,982,609.85x = 552,809,417,210,060,800,000
  5. Step 5: Solve for x
    x = 552,809,417,210,060,800,000/28,194,982,609.85
  6. Step 6: Final answer
    x = 19,606,659,271.96

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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.