Home / 314,448,458.40-471,672,687.60-199,940,637.60

Finding the Fourth Proportional to 314,448,458.40, 471,672,687.60 and 199,940,637.60

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Solution

The fourth proportional to 314,448,458.40, 471,672,687.60 and 199,940,637.60 is: 299,910,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,448,458.40 : 471,672,687.60 = 199,940,637.60 : x
  2. Step 2: Convert to fraction form
    314,448,458.40/471,672,687.60 = 199,940,637.60/x
  3. Step 3: Cross multiply
    314,448,458.40x = 471,672,687.60 × 199,940,637.60
  4. Step 4: Simplify right side
    314,448,458.40x = 94,306,537,897,249,616
  5. Step 5: Solve for x
    x = 94,306,537,897,249,616/314,448,458.40
  6. Step 6: Final answer
    x = 299,910,956.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.