Home / 621,630,373.10-931,985,874.08-375,932,385.06

Finding the Fourth Proportional to 621,630,373.10, 931,985,874.08 and 375,932,385.06

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Solution

The fourth proportional to 621,630,373.10, 931,985,874.08 and 375,932,385.06 is: 563,620,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,630,373.10 : 931,985,874.08 = 375,932,385.06 : x
  2. Step 2: Convert to fraction form
    621,630,373.10/931,985,874.08 = 375,932,385.06/x
  3. Step 3: Cross multiply
    621,630,373.10x = 931,985,874.08 × 375,932,385.06
  4. Step 4: Simplify right side
    621,630,373.10x = 350,363,672,485,123,264
  5. Step 5: Solve for x
    x = 350,363,672,485,123,264/621,630,373.10
  6. Step 6: Final answer
    x = 563,620,581.69

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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.