Home / 304,499,752.47-420,209,969.40-165,270,542.94

Finding the Fourth Proportional to 304,499,752.47, 420,209,969.40 and 165,270,542.94

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Solution

The fourth proportional to 304,499,752.47, 420,209,969.40 and 165,270,542.94 is: 228,073,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,499,752.47 : 420,209,969.40 = 165,270,542.94 : x
  2. Step 2: Convert to fraction form
    304,499,752.47/420,209,969.40 = 165,270,542.94/x
  3. Step 3: Cross multiply
    304,499,752.47x = 420,209,969.40 × 165,270,542.94
  4. Step 4: Simplify right side
    304,499,752.47x = 69,448,329,791,538,784
  5. Step 5: Solve for x
    x = 69,448,329,791,538,784/304,499,752.47
  6. Step 6: Final answer
    x = 228,073,518.05

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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.