Home / 672,717,163.60-1,008,358,300.05-258,033,751.30

Finding the Fourth Proportional to 672,717,163.60, 1,008,358,300.05 and 258,033,751.30

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Solution

The fourth proportional to 672,717,163.60, 1,008,358,300.05 and 258,033,751.30 is: 386,775,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,717,163.60 : 1,008,358,300.05 = 258,033,751.30 : x
  2. Step 2: Convert to fraction form
    672,717,163.60/1,008,358,300.05 = 258,033,751.30/x
  3. Step 3: Cross multiply
    672,717,163.60x = 1,008,358,300.05 × 258,033,751.30
  4. Step 4: Simplify right side
    672,717,163.60x = 260,190,474,816,392,480
  5. Step 5: Solve for x
    x = 260,190,474,816,392,480/672,717,163.60
  6. Step 6: Final answer
    x = 386,775,436.83

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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.