Home / 667,859,329.15-921,646,958.47-370,501,579.01

Finding the Fourth Proportional to 667,859,329.15, 921,646,958.47 and 370,501,579.01

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Solution

The fourth proportional to 667,859,329.15, 921,646,958.47 and 370,501,579.01 is: 511,292,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,859,329.15 : 921,646,958.47 = 370,501,579.01 : x
  2. Step 2: Convert to fraction form
    667,859,329.15/921,646,958.47 = 370,501,579.01/x
  3. Step 3: Cross multiply
    667,859,329.15x = 921,646,958.47 × 370,501,579.01
  4. Step 4: Simplify right side
    667,859,329.15x = 341,471,653,404,276,736
  5. Step 5: Solve for x
    x = 341,471,653,404,276,736/667,859,329.15
  6. Step 6: Final answer
    x = 511,292,780.53

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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.