Home / 397,174,210.56-548,105,454.66-218,578,661.64

Finding the Fourth Proportional to 397,174,210.56, 548,105,454.66 and 218,578,661.64

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Solution

The fourth proportional to 397,174,210.56, 548,105,454.66 and 218,578,661.64 is: 301,641,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,174,210.56 : 548,105,454.66 = 218,578,661.64 : x
  2. Step 2: Convert to fraction form
    397,174,210.56/548,105,454.66 = 218,578,661.64/x
  3. Step 3: Cross multiply
    397,174,210.56x = 548,105,454.66 × 218,578,661.64
  4. Step 4: Simplify right side
    397,174,210.56x = 119,804,156,717,166,480
  5. Step 5: Solve for x
    x = 119,804,156,717,166,480/397,174,210.56
  6. Step 6: Final answer
    x = 301,641,329.00

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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.