Home / 1,073,399,373.20-1,610,099,059.80-815,410,355.60

Finding the Fourth Proportional to 1,073,399,373.20, 1,610,099,059.80 and 815,410,355.60

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Solution

The fourth proportional to 1,073,399,373.20, 1,610,099,059.80 and 815,410,355.60 is: 1,223,115,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,399,373.20 : 1,610,099,059.80 = 815,410,355.60 : x
  2. Step 2: Convert to fraction form
    1,073,399,373.20/1,610,099,059.80 = 815,410,355.60/x
  3. Step 3: Cross multiply
    1,073,399,373.20x = 1,610,099,059.80 × 815,410,355.60
  4. Step 4: Simplify right side
    1,073,399,373.20x = 1,312,891,446,902,743,552
  5. Step 5: Solve for x
    x = 1,312,891,446,902,743,552/1,073,399,373.20
  6. Step 6: Final answer
    x = 1,223,115,533.40

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1.5x scale

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.