Home / 915,718,583.20-1,373,106,015.60-340,994,077.60

Finding the Fourth Proportional to 915,718,583.20, 1,373,106,015.60 and 340,994,077.60

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Solution

The fourth proportional to 915,718,583.20, 1,373,106,015.60 and 340,994,077.60 is: 511,315,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,718,583.20 : 1,373,106,015.60 = 340,994,077.60 : x
  2. Step 2: Convert to fraction form
    915,718,583.20/1,373,106,015.60 = 340,994,077.60/x
  3. Step 3: Cross multiply
    915,718,583.20x = 1,373,106,015.60 × 340,994,077.60
  4. Step 4: Simplify right side
    915,718,583.20x = 468,221,019,236,533,184
  5. Step 5: Solve for x
    x = 468,221,019,236,533,184/915,718,583.20
  6. Step 6: Final answer
    x = 511,315,406.09

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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.