Home / 852,373,522.40-1,279,157,480.40-546,409,695.20

Finding the Fourth Proportional to 852,373,522.40, 1,279,157,480.40 and 546,409,695.20

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Solution

The fourth proportional to 852,373,522.40, 1,279,157,480.40 and 546,409,695.20 is: 819,997,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,373,522.40 : 1,279,157,480.40 = 546,409,695.20 : x
  2. Step 2: Convert to fraction form
    852,373,522.40/1,279,157,480.40 = 546,409,695.20/x
  3. Step 3: Cross multiply
    852,373,522.40x = 1,279,157,480.40 × 546,409,695.20
  4. Step 4: Simplify right side
    852,373,522.40x = 698,944,048,978,164,096
  5. Step 5: Solve for x
    x = 698,944,048,978,164,096/852,373,522.40
  6. Step 6: Final answer
    x = 819,997,372.76

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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.