Home / 217,951,076,830.40-326,926,615,245.60-100,404,830,686.40

Finding the Fourth Proportional to 217,951,076,830.40, 326,926,615,245.60 and 100,404,830,686.40

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Solution

The fourth proportional to 217,951,076,830.40, 326,926,615,245.60 and 100,404,830,686.40 is: 150,607,246,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,951,076,830.40 : 326,926,615,245.60 = 100,404,830,686.40 : x
  2. Step 2: Convert to fraction form
    217,951,076,830.40/326,926,615,245.60 = 100,404,830,686.40/x
  3. Step 3: Cross multiply
    217,951,076,830.40x = 326,926,615,245.60 × 100,404,830,686.40
  4. Step 4: Simplify right side
    217,951,076,830.40x = 32,825,011,450,612,302,217,216
  5. Step 5: Solve for x
    x = 32,825,011,450,612,302,217,216/217,951,076,830.40
  6. Step 6: Final answer
    x = 150,607,246,029.60

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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.