Home / 295,269,998.40-442,904,997.60-278,263,886.40

Finding the Fourth Proportional to 295,269,998.40, 442,904,997.60 and 278,263,886.40

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Solution

The fourth proportional to 295,269,998.40, 442,904,997.60 and 278,263,886.40 is: 417,395,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,269,998.40 : 442,904,997.60 = 278,263,886.40 : x
  2. Step 2: Convert to fraction form
    295,269,998.40/442,904,997.60 = 278,263,886.40/x
  3. Step 3: Cross multiply
    295,269,998.40x = 442,904,997.60 × 278,263,886.40
  4. Step 4: Simplify right side
    295,269,998.40x = 123,244,465,938,158,672
  5. Step 5: Solve for x
    x = 123,244,465,938,158,672/295,269,998.40
  6. Step 6: Final answer
    x = 417,395,829.60

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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.