Home / 1,203,139,142.42-1,803,434,984.53-404,696,186.51

Finding the Fourth Proportional to 1,203,139,142.42, 1,803,434,984.53 and 404,696,186.51

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Solution

The fourth proportional to 1,203,139,142.42, 1,803,434,984.53 and 404,696,186.51 is: 606,615,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,139,142.42 : 1,803,434,984.53 = 404,696,186.51 : x
  2. Step 2: Convert to fraction form
    1,203,139,142.42/1,803,434,984.53 = 404,696,186.51/x
  3. Step 3: Cross multiply
    1,203,139,142.42x = 1,803,434,984.53 × 404,696,186.51
  4. Step 4: Simplify right side
    1,203,139,142.42x = 729,843,260,847,982,848
  5. Step 5: Solve for x
    x = 729,843,260,847,982,848/1,203,139,142.42
  6. Step 6: Final answer
    x = 606,615,839.45

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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.