Home / 327,942,328,430.79-491,935,076,898.84-85,925,364,671.88

Finding the Fourth Proportional to 327,942,328,430.79, 491,935,076,898.84 and 85,925,364,671.88

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Solution

The fourth proportional to 327,942,328,430.79, 491,935,076,898.84 and 85,925,364,671.88 is: 128,893,702,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,942,328,430.79 : 491,935,076,898.84 = 85,925,364,671.88 : x
  2. Step 2: Convert to fraction form
    327,942,328,430.79/491,935,076,898.84 = 85,925,364,671.88/x
  3. Step 3: Cross multiply
    327,942,328,430.79x = 491,935,076,898.84 × 85,925,364,671.88
  4. Step 4: Simplify right side
    327,942,328,430.79x = 42,269,700,877,422,163,918,848
  5. Step 5: Solve for x
    x = 42,269,700,877,422,163,918,848/327,942,328,430.79
  6. Step 6: Final answer
    x = 128,893,702,376.52

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1.5x scale

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.