Home / 852,097,207.60-1,278,145,811.40-679,910,323.60

Finding the Fourth Proportional to 852,097,207.60, 1,278,145,811.40 and 679,910,323.60

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Solution

The fourth proportional to 852,097,207.60, 1,278,145,811.40 and 679,910,323.60 is: 1,019,865,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,097,207.60 : 1,278,145,811.40 = 679,910,323.60 : x
  2. Step 2: Convert to fraction form
    852,097,207.60/1,278,145,811.40 = 679,910,323.60/x
  3. Step 3: Cross multiply
    852,097,207.60x = 1,278,145,811.40 × 679,910,323.60
  4. Step 4: Simplify right side
    852,097,207.60x = 869,024,532,236,958,720
  5. Step 5: Solve for x
    x = 869,024,532,236,958,720/852,097,207.60
  6. Step 6: Final answer
    x = 1,019,865,485.40

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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.