Home / 2,955,556,842.42-4,078,665,780.55-1,668,339,712.67

Finding the Fourth Proportional to 2,955,556,842.42, 4,078,665,780.55 and 1,668,339,712.67

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Solution

The fourth proportional to 2,955,556,842.42, 4,078,665,780.55 and 1,668,339,712.67 is: 2,302,307,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955,556,842.42 : 4,078,665,780.55 = 1,668,339,712.67 : x
  2. Step 2: Convert to fraction form
    2,955,556,842.42/4,078,665,780.55 = 1,668,339,712.67/x
  3. Step 3: Cross multiply
    2,955,556,842.42x = 4,078,665,780.55 × 1,668,339,712.67
  4. Step 4: Simplify right side
    2,955,556,842.42x = 6,804,600,096,399,749,120
  5. Step 5: Solve for x
    x = 6,804,600,096,399,749,120/2,955,556,842.42
  6. Step 6: Final answer
    x = 2,302,307,300.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.