Home / 420,804,400.65-580,659,772.55-232,607,270.49

Finding the Fourth Proportional to 420,804,400.65, 580,659,772.55 and 232,607,270.49

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Solution

The fourth proportional to 420,804,400.65, 580,659,772.55 and 232,607,270.49 is: 320,970,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,804,400.65 : 580,659,772.55 = 232,607,270.49 : x
  2. Step 2: Convert to fraction form
    420,804,400.65/580,659,772.55 = 232,607,270.49/x
  3. Step 3: Cross multiply
    420,804,400.65x = 580,659,772.55 × 232,607,270.49
  4. Step 4: Simplify right side
    420,804,400.65x = 135,065,684,775,036,688
  5. Step 5: Solve for x
    x = 135,065,684,775,036,688/420,804,400.65
  6. Step 6: Final answer
    x = 320,970,228.84

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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.