Home / 368,728,678,409.60-509,002,254,191.30-229,748,626,170.40

Finding the Fourth Proportional to 368,728,678,409.60, 509,002,254,191.30 and 229,748,626,170.40

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Solution

The fourth proportional to 368,728,678,409.60, 509,002,254,191.30 and 229,748,626,170.40 is: 317,150,727,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,728,678,409.60 : 509,002,254,191.30 = 229,748,626,170.40 : x
  2. Step 2: Convert to fraction form
    368,728,678,409.60/509,002,254,191.30 = 229,748,626,170.40/x
  3. Step 3: Cross multiply
    368,728,678,409.60x = 509,002,254,191.30 × 229,748,626,170.40
  4. Step 4: Simplify right side
    368,728,678,409.60x = 116,942,568,618,087,889,764,352
  5. Step 5: Solve for x
    x = 116,942,568,618,087,889,764,352/368,728,678,409.60
  6. Step 6: Final answer
    x = 317,150,727,528.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.