Home / 1,313,445,783.80-1,968,869,219.70-622,137,956.60

Finding the Fourth Proportional to 1,313,445,783.80, 1,968,869,219.70 and 622,137,956.60

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Solution

The fourth proportional to 1,313,445,783.80, 1,968,869,219.70 and 622,137,956.60 is: 932,591,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,445,783.80 : 1,968,869,219.70 = 622,137,956.60 : x
  2. Step 2: Convert to fraction form
    1,313,445,783.80/1,968,869,219.70 = 622,137,956.60/x
  3. Step 3: Cross multiply
    1,313,445,783.80x = 1,968,869,219.70 × 622,137,956.60
  4. Step 4: Simplify right side
    1,313,445,783.80x = 1,224,908,273,156,794,624
  5. Step 5: Solve for x
    x = 1,224,908,273,156,794,624/1,313,445,783.80
  6. Step 6: Final answer
    x = 932,591,423.46

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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.