Home / 492,096,602.60-738,144,903.90-287,519,373.80

Finding the Fourth Proportional to 492,096,602.60, 738,144,903.90 and 287,519,373.80

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Solution

The fourth proportional to 492,096,602.60, 738,144,903.90 and 287,519,373.80 is: 431,279,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,096,602.60 : 738,144,903.90 = 287,519,373.80 : x
  2. Step 2: Convert to fraction form
    492,096,602.60/738,144,903.90 = 287,519,373.80/x
  3. Step 3: Cross multiply
    492,096,602.60x = 738,144,903.90 × 287,519,373.80
  4. Step 4: Simplify right side
    492,096,602.60x = 212,230,960,542,989,184
  5. Step 5: Solve for x
    x = 212,230,960,542,989,184/492,096,602.60
  6. Step 6: Final answer
    x = 431,279,060.70

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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.