Home / 887,595,343.85-1,331,393,015.78-370,396,962.65

Finding the Fourth Proportional to 887,595,343.85, 1,331,393,015.78 and 370,396,962.65

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Solution

The fourth proportional to 887,595,343.85, 1,331,393,015.78 and 370,396,962.65 is: 555,595,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,595,343.85 : 1,331,393,015.78 = 370,396,962.65 : x
  2. Step 2: Convert to fraction form
    887,595,343.85/1,331,393,015.78 = 370,396,962.65/x
  3. Step 3: Cross multiply
    887,595,343.85x = 1,331,393,015.78 × 370,396,962.65
  4. Step 4: Simplify right side
    887,595,343.85x = 493,143,929,136,483,520
  5. Step 5: Solve for x
    x = 493,143,929,136,483,520/887,595,343.85
  6. Step 6: Final answer
    x = 555,595,443.98

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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.