Home / 1,379,118,622.60-2,068,677,933.90-862,132,817.80

Finding the Fourth Proportional to 1,379,118,622.60, 2,068,677,933.90 and 862,132,817.80

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Solution

The fourth proportional to 1,379,118,622.60, 2,068,677,933.90 and 862,132,817.80 is: 1,293,199,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,118,622.60 : 2,068,677,933.90 = 862,132,817.80 : x
  2. Step 2: Convert to fraction form
    1,379,118,622.60/2,068,677,933.90 = 862,132,817.80/x
  3. Step 3: Cross multiply
    1,379,118,622.60x = 2,068,677,933.90 × 862,132,817.80
  4. Step 4: Simplify right side
    1,379,118,622.60x = 1,783,475,136,273,889,024
  5. Step 5: Solve for x
    x = 1,783,475,136,273,889,024/1,379,118,622.60
  6. Step 6: Final answer
    x = 1,293,199,226.70

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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.