Home / 1,045,353,732.81-1,568,023,623.90-423,559,791.20

Finding the Fourth Proportional to 1,045,353,732.81, 1,568,023,623.90 and 423,559,791.20

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Solution

The fourth proportional to 1,045,353,732.81, 1,568,023,623.90 and 423,559,791.20 is: 635,336,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,353,732.81 : 1,568,023,623.90 = 423,559,791.20 : x
  2. Step 2: Convert to fraction form
    1,045,353,732.81/1,568,023,623.90 = 423,559,791.20/x
  3. Step 3: Cross multiply
    1,045,353,732.81x = 1,568,023,623.90 × 423,559,791.20
  4. Step 4: Simplify right side
    1,045,353,732.81x = 664,151,758,727,911,296
  5. Step 5: Solve for x
    x = 664,151,758,727,911,296/1,045,353,732.81
  6. Step 6: Final answer
    x = 635,336,860.51

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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.