Home / 579,920,164.20-869,880,246.30-321,931,146.60

Finding the Fourth Proportional to 579,920,164.20, 869,880,246.30 and 321,931,146.60

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Solution

The fourth proportional to 579,920,164.20, 869,880,246.30 and 321,931,146.60 is: 482,896,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,920,164.20 : 869,880,246.30 = 321,931,146.60 : x
  2. Step 2: Convert to fraction form
    579,920,164.20/869,880,246.30 = 321,931,146.60/x
  3. Step 3: Cross multiply
    579,920,164.20x = 869,880,246.30 × 321,931,146.60
  4. Step 4: Simplify right side
    579,920,164.20x = 280,041,545,096,049,408
  5. Step 5: Solve for x
    x = 280,041,545,096,049,408/579,920,164.20
  6. Step 6: Final answer
    x = 482,896,719.90

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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.