Home / 1,203,139,143.35-1,803,434,985.95-404,696,187.44

Finding the Fourth Proportional to 1,203,139,143.35, 1,803,434,985.95 and 404,696,187.44

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Solution

The fourth proportional to 1,203,139,143.35, 1,803,434,985.95 and 404,696,187.44 is: 606,615,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,139,143.35 : 1,803,434,985.95 = 404,696,187.44 : x
  2. Step 2: Convert to fraction form
    1,203,139,143.35/1,803,434,985.95 = 404,696,187.44/x
  3. Step 3: Cross multiply
    1,203,139,143.35x = 1,803,434,985.95 × 404,696,187.44
  4. Step 4: Simplify right side
    1,203,139,143.35x = 729,843,263,098,834,304
  5. Step 5: Solve for x
    x = 729,843,263,098,834,304/1,203,139,143.35
  6. Step 6: Final answer
    x = 606,615,840.85

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Double scale
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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.