Home / 5,318,783,999.10-7,978,175,998.65-3,223,631,000.70

Finding the Fourth Proportional to 5,318,783,999.10, 7,978,175,998.65 and 3,223,631,000.70

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Solution

The fourth proportional to 5,318,783,999.10, 7,978,175,998.65 and 3,223,631,000.70 is: 4,835,446,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,783,999.10 : 7,978,175,998.65 = 3,223,631,000.70 : x
  2. Step 2: Convert to fraction form
    5,318,783,999.10/7,978,175,998.65 = 3,223,631,000.70/x
  3. Step 3: Cross multiply
    5,318,783,999.10x = 7,978,175,998.65 × 3,223,631,000.70
  4. Step 4: Simplify right side
    5,318,783,999.10x = 25,718,695,478,288,818,176
  5. Step 5: Solve for x
    x = 25,718,695,478,288,818,176/5,318,783,999.10
  6. Step 6: Final answer
    x = 4,835,446,501.05

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1.5x scale

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.