Home / 370,830,467.52-511,809,379.20-214,169,417.28

Finding the Fourth Proportional to 370,830,467.52, 511,809,379.20 and 214,169,417.28

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Solution

The fourth proportional to 370,830,467.52, 511,809,379.20 and 214,169,417.28 is: 295,590,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,830,467.52 : 511,809,379.20 = 214,169,417.28 : x
  2. Step 2: Convert to fraction form
    370,830,467.52/511,809,379.20 = 214,169,417.28/x
  3. Step 3: Cross multiply
    370,830,467.52x = 511,809,379.20 × 214,169,417.28
  4. Step 4: Simplify right side
    370,830,467.52x = 109,613,916,501,702,544
  5. Step 5: Solve for x
    x = 109,613,916,501,702,544/370,830,467.52
  6. Step 6: Final answer
    x = 295,590,373.78

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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.