Home / 1,397,533,092.70-2,094,519,311.70-742,797,780.70

Finding the Fourth Proportional to 1,397,533,092.70, 2,094,519,311.70 and 742,797,780.70

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Solution

The fourth proportional to 1,397,533,092.70, 2,094,519,311.70 and 742,797,780.70 is: 1,113,250,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,533,092.70 : 2,094,519,311.70 = 742,797,780.70 : x
  2. Step 2: Convert to fraction form
    1,397,533,092.70/2,094,519,311.70 = 742,797,780.70/x
  3. Step 3: Cross multiply
    1,397,533,092.70x = 2,094,519,311.70 × 742,797,780.70
  4. Step 4: Simplify right side
    1,397,533,092.70x = 1,555,804,296,364,051,712
  5. Step 5: Solve for x
    x = 1,555,804,296,364,051,712/1,397,533,092.70
  6. Step 6: Final answer
    x = 1,113,250,415.67

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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.