Home / 738,961,849.96-1,019,770,054.63-399,870,327.26

Finding the Fourth Proportional to 738,961,849.96, 1,019,770,054.63 and 399,870,327.26

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Solution

The fourth proportional to 738,961,849.96, 1,019,770,054.63 and 399,870,327.26 is: 551,822,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,961,849.96 : 1,019,770,054.63 = 399,870,327.26 : x
  2. Step 2: Convert to fraction form
    738,961,849.96/1,019,770,054.63 = 399,870,327.26/x
  3. Step 3: Cross multiply
    738,961,849.96x = 1,019,770,054.63 × 399,870,327.26
  4. Step 4: Simplify right side
    738,961,849.96x = 407,775,785,476,395,968
  5. Step 5: Solve for x
    x = 407,775,785,476,395,968/738,961,849.96
  6. Step 6: Final answer
    x = 551,822,513.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.