Home / 401,620,096.80-602,828,276.40-197,378,791.20

Finding the Fourth Proportional to 401,620,096.80, 602,828,276.40 and 197,378,791.20

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Solution

The fourth proportional to 401,620,096.80, 602,828,276.40 and 197,378,791.20 is: 296,263,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,620,096.80 : 602,828,276.40 = 197,378,791.20 : x
  2. Step 2: Convert to fraction form
    401,620,096.80/602,828,276.40 = 197,378,791.20/x
  3. Step 3: Cross multiply
    401,620,096.80x = 602,828,276.40 × 197,378,791.20
  4. Step 4: Simplify right side
    401,620,096.80x = 118,985,516,497,011,472
  5. Step 5: Solve for x
    x = 118,985,516,497,011,472/401,620,096.80
  6. Step 6: Final answer
    x = 296,263,850.95

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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.