Home / 621,630,367.46-931,985,865.60-375,932,379.41

Finding the Fourth Proportional to 621,630,367.46, 931,985,865.60 and 375,932,379.41

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Solution

The fourth proportional to 621,630,367.46, 931,985,865.60 and 375,932,379.41 is: 563,620,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,630,367.46 : 931,985,865.60 = 375,932,379.41 : x
  2. Step 2: Convert to fraction form
    621,630,367.46/931,985,865.60 = 375,932,379.41/x
  3. Step 3: Cross multiply
    621,630,367.46x = 931,985,865.60 × 375,932,379.41
  4. Step 4: Simplify right side
    621,630,367.46x = 350,363,664,030,331,520
  5. Step 5: Solve for x
    x = 350,363,664,030,331,520/621,630,367.46
  6. Step 6: Final answer
    x = 563,620,573.21

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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.