Home / 406,865,433-610,298,761.86-188,396,730.12

Finding the Fourth Proportional to 406,865,433, 610,298,761.86 and 188,396,730.12

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Solution

The fourth proportional to 406,865,433, 610,298,761.86 and 188,396,730.12 is: 282,595,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,865,433 : 610,298,761.86 = 188,396,730.12 : x
  2. Step 2: Convert to fraction form
    406,865,433/610,298,761.86 = 188,396,730.12/x
  3. Step 3: Cross multiply
    406,865,433x = 610,298,761.86 × 188,396,730.12
  4. Step 4: Simplify right side
    406,865,433x = 114,978,291,130,708,576
  5. Step 5: Solve for x
    x = 114,978,291,130,708,576/406,865,433
  6. Step 6: Final answer
    x = 282,595,378.73

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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.