Home / 405,261,829.02-559,261,802.18-219,622,844.71

Finding the Fourth Proportional to 405,261,829.02, 559,261,802.18 and 219,622,844.71

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Solution

The fourth proportional to 405,261,829.02, 559,261,802.18 and 219,622,844.71 is: 303,079,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,261,829.02 : 559,261,802.18 = 219,622,844.71 : x
  2. Step 2: Convert to fraction form
    405,261,829.02/559,261,802.18 = 219,622,844.71/x
  3. Step 3: Cross multiply
    405,261,829.02x = 559,261,802.18 × 219,622,844.71
  4. Step 4: Simplify right side
    405,261,829.02x = 122,826,667,931,563,792
  5. Step 5: Solve for x
    x = 122,826,667,931,563,792/405,261,829.02
  6. Step 6: Final answer
    x = 303,079,784.81

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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.