Home / 1,087,300,381.05-1,631,044,518.48-300,353,758.47

Finding the Fourth Proportional to 1,087,300,381.05, 1,631,044,518.48 and 300,353,758.47

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Solution

The fourth proportional to 1,087,300,381.05, 1,631,044,518.48 and 300,353,758.47 is: 450,556,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,300,381.05 : 1,631,044,518.48 = 300,353,758.47 : x
  2. Step 2: Convert to fraction form
    1,087,300,381.05/1,631,044,518.48 = 300,353,758.47/x
  3. Step 3: Cross multiply
    1,087,300,381.05x = 1,631,044,518.48 × 300,353,758.47
  4. Step 4: Simplify right side
    1,087,300,381.05x = 489,890,351,357,359,424
  5. Step 5: Solve for x
    x = 489,890,351,357,359,424/1,087,300,381.05
  6. Step 6: Final answer
    x = 450,556,589.42

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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.