Home / 1,269,001,636.20-1,903,502,454.30-993,502,621.80

Finding the Fourth Proportional to 1,269,001,636.20, 1,903,502,454.30 and 993,502,621.80

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Solution

The fourth proportional to 1,269,001,636.20, 1,903,502,454.30 and 993,502,621.80 is: 1,490,253,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,001,636.20 : 1,903,502,454.30 = 993,502,621.80 : x
  2. Step 2: Convert to fraction form
    1,269,001,636.20/1,903,502,454.30 = 993,502,621.80/x
  3. Step 3: Cross multiply
    1,269,001,636.20x = 1,903,502,454.30 × 993,502,621.80
  4. Step 4: Simplify right side
    1,269,001,636.20x = 1,891,134,678,949,784,576
  5. Step 5: Solve for x
    x = 1,891,134,678,949,784,576/1,269,001,636.20
  6. Step 6: Final answer
    x = 1,490,253,932.70

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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.