Home / 387,675,464.66-534,993,804.53-211,467,300.02

Finding the Fourth Proportional to 387,675,464.66, 534,993,804.53 and 211,467,300.02

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Solution

The fourth proportional to 387,675,464.66, 534,993,804.53 and 211,467,300.02 is: 291,825,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,675,464.66 : 534,993,804.53 = 211,467,300.02 : x
  2. Step 2: Convert to fraction form
    387,675,464.66/534,993,804.53 = 211,467,300.02/x
  3. Step 3: Cross multiply
    387,675,464.66x = 534,993,804.53 × 211,467,300.02
  4. Step 4: Simplify right side
    387,675,464.66x = 113,133,695,371,386,752
  5. Step 5: Solve for x
    x = 113,133,695,371,386,752/387,675,464.66
  6. Step 6: Final answer
    x = 291,825,781.32

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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.