Home / 621,630,379.32-931,985,883.36-375,932,391.30

Finding the Fourth Proportional to 621,630,379.32, 931,985,883.36 and 375,932,391.30

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Solution

The fourth proportional to 621,630,379.32, 931,985,883.36 and 375,932,391.30 is: 563,620,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,630,379.32 : 931,985,883.36 = 375,932,391.30 : x
  2. Step 2: Convert to fraction form
    621,630,379.32/931,985,883.36 = 375,932,391.30/x
  3. Step 3: Cross multiply
    621,630,379.32x = 931,985,883.36 × 375,932,391.30
  4. Step 4: Simplify right side
    621,630,379.32x = 350,363,681,789,367,680
  5. Step 5: Solve for x
    x = 350,363,681,789,367,680/621,630,379.32
  6. Step 6: Final answer
    x = 563,620,591.02

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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.