Home / 711,135,571.10-1,072,033,462.92-663,731,033.90

Finding the Fourth Proportional to 711,135,571.10, 1,072,033,462.92 and 663,731,033.90

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Solution

The fourth proportional to 711,135,571.10, 1,072,033,462.92 and 663,731,033.90 is: 1,000,571,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,135,571.10 : 1,072,033,462.92 = 663,731,033.90 : x
  2. Step 2: Convert to fraction form
    711,135,571.10/1,072,033,462.92 = 663,731,033.90/x
  3. Step 3: Cross multiply
    711,135,571.10x = 1,072,033,462.92 × 663,731,033.90
  4. Step 4: Simplify right side
    711,135,571.10x = 711,541,878,716,450,944
  5. Step 5: Solve for x
    x = 711,541,878,716,450,944/711,135,571.10
  6. Step 6: Final answer
    x = 1,000,571,350.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.