Home / 551,353,193.40-827,029,790.10-347,279,849.40

Finding the Fourth Proportional to 551,353,193.40, 827,029,790.10 and 347,279,849.40

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Solution

The fourth proportional to 551,353,193.40, 827,029,790.10 and 347,279,849.40 is: 520,919,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,353,193.40 : 827,029,790.10 = 347,279,849.40 : x
  2. Step 2: Convert to fraction form
    551,353,193.40/827,029,790.10 = 347,279,849.40/x
  3. Step 3: Cross multiply
    551,353,193.40x = 827,029,790.10 × 347,279,849.40
  4. Step 4: Simplify right side
    551,353,193.40x = 287,210,780,955,241,600
  5. Step 5: Solve for x
    x = 287,210,780,955,241,600/551,353,193.40
  6. Step 6: Final answer
    x = 520,919,774.10

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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.