Home / 810,691,592.52-1,118,756,046.20-439,413,875.40

Finding the Fourth Proportional to 810,691,592.52, 1,118,756,046.20 and 439,413,875.40

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Solution

The fourth proportional to 810,691,592.52, 1,118,756,046.20 and 439,413,875.40 is: 606,392,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,691,592.52 : 1,118,756,046.20 = 439,413,875.40 : x
  2. Step 2: Convert to fraction form
    810,691,592.52/1,118,756,046.20 = 439,413,875.40/x
  3. Step 3: Cross multiply
    810,691,592.52x = 1,118,756,046.20 × 439,413,875.40
  4. Step 4: Simplify right side
    810,691,592.52x = 491,596,929,889,022,016
  5. Step 5: Solve for x
    x = 491,596,929,889,022,016/810,691,592.52
  6. Step 6: Final answer
    x = 606,392,041.59

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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.