Home / 420,379,027.09-580,140,681.64-241,763,054.87

Finding the Fourth Proportional to 420,379,027.09, 580,140,681.64 and 241,763,054.87

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Solution

The fourth proportional to 420,379,027.09, 580,140,681.64 and 241,763,054.87 is: 333,643,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,379,027.09 : 580,140,681.64 = 241,763,054.87 : x
  2. Step 2: Convert to fraction form
    420,379,027.09/580,140,681.64 = 241,763,054.87/x
  3. Step 3: Cross multiply
    420,379,027.09x = 580,140,681.64 × 241,763,054.87
  4. Step 4: Simplify right side
    420,379,027.09x = 140,256,583,447,650,528
  5. Step 5: Solve for x
    x = 140,256,583,447,650,528/420,379,027.09
  6. Step 6: Final answer
    x = 333,643,151.56

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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.