Home / 386,641,231.20-579,961,846.80-371,777,666.40

Finding the Fourth Proportional to 386,641,231.20, 579,961,846.80 and 371,777,666.40

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Solution

The fourth proportional to 386,641,231.20, 579,961,846.80 and 371,777,666.40 is: 557,666,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,641,231.20 : 579,961,846.80 = 371,777,666.40 : x
  2. Step 2: Convert to fraction form
    386,641,231.20/579,961,846.80 = 371,777,666.40/x
  3. Step 3: Cross multiply
    386,641,231.20x = 579,961,846.80 × 371,777,666.40
  4. Step 4: Simplify right side
    386,641,231.20x = 215,616,862,004,338,272
  5. Step 5: Solve for x
    x = 215,616,862,004,338,272/386,641,231.20
  6. Step 6: Final answer
    x = 557,666,499.60

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