Home / 1,087,486,556.70-1,631,229,835.05-674,238,035.10

Finding the Fourth Proportional to 1,087,486,556.70, 1,631,229,835.05 and 674,238,035.10

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Solution

The fourth proportional to 1,087,486,556.70, 1,631,229,835.05 and 674,238,035.10 is: 1,011,357,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,486,556.70 : 1,631,229,835.05 = 674,238,035.10 : x
  2. Step 2: Convert to fraction form
    1,087,486,556.70/1,631,229,835.05 = 674,238,035.10/x
  3. Step 3: Cross multiply
    1,087,486,556.70x = 1,631,229,835.05 × 674,238,035.10
  4. Step 4: Simplify right side
    1,087,486,556.70x = 1,099,837,198,780,609,152
  5. Step 5: Solve for x
    x = 1,099,837,198,780,609,152/1,087,486,556.70
  6. Step 6: Final answer
    x = 1,011,357,052.65

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Double scale
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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.