Home / 554,699,996-765,510,056.94-307,181,350.26

Finding the Fourth Proportional to 554,699,996, 765,510,056.94 and 307,181,350.26

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Solution

The fourth proportional to 554,699,996, 765,510,056.94 and 307,181,350.26 is: 423,923,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,699,996 : 765,510,056.94 = 307,181,350.26 : x
  2. Step 2: Convert to fraction form
    554,699,996/765,510,056.94 = 307,181,350.26/x
  3. Step 3: Cross multiply
    554,699,996x = 765,510,056.94 × 307,181,350.26
  4. Step 4: Simplify right side
    554,699,996x = 235,150,412,928,438,688
  5. Step 5: Solve for x
    x = 235,150,412,928,438,688/554,699,996
  6. Step 6: Final answer
    x = 423,923,588.65

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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.