Home / 500,280,183.42-690,386,718.56-277,276,262.26

Finding the Fourth Proportional to 500,280,183.42, 690,386,718.56 and 277,276,262.26

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Solution

The fourth proportional to 500,280,183.42, 690,386,718.56 and 277,276,262.26 is: 382,641,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,280,183.42 : 690,386,718.56 = 277,276,262.26 : x
  2. Step 2: Convert to fraction form
    500,280,183.42/690,386,718.56 = 277,276,262.26/x
  3. Step 3: Cross multiply
    500,280,183.42x = 690,386,718.56 × 277,276,262.26
  4. Step 4: Simplify right side
    500,280,183.42x = 191,427,848,836,381,984
  5. Step 5: Solve for x
    x = 191,427,848,836,381,984/500,280,183.42
  6. Step 6: Final answer
    x = 382,641,278.19

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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.