Home / 634,920,618.48-952,384,138.28-198,184,692.64

Finding the Fourth Proportional to 634,920,618.48, 952,384,138.28 and 198,184,692.64

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Solution

The fourth proportional to 634,920,618.48, 952,384,138.28 and 198,184,692.64 is: 297,278,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,920,618.48 : 952,384,138.28 = 198,184,692.64 : x
  2. Step 2: Convert to fraction form
    634,920,618.48/952,384,138.28 = 198,184,692.64/x
  3. Step 3: Cross multiply
    634,920,618.48x = 952,384,138.28 × 198,184,692.64
  4. Step 4: Simplify right side
    634,920,618.48x = 188,747,957,720,233,024
  5. Step 5: Solve for x
    x = 188,747,957,720,233,024/634,920,618.48
  6. Step 6: Final answer
    x = 297,278,041.11

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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.