Home / 291,634,160,934.12-402,446,405,060.34-161,428,352,604.67

Finding the Fourth Proportional to 291,634,160,934.12, 402,446,405,060.34 and 161,428,352,604.67

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Solution

The fourth proportional to 291,634,160,934.12, 402,446,405,060.34 and 161,428,352,604.67 is: 222,766,290,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,634,160,934.12 : 402,446,405,060.34 = 161,428,352,604.67 : x
  2. Step 2: Convert to fraction form
    291,634,160,934.12/402,446,405,060.34 = 161,428,352,604.67/x
  3. Step 3: Cross multiply
    291,634,160,934.12x = 402,446,405,060.34 × 161,428,352,604.67
  4. Step 4: Simplify right side
    291,634,160,934.12x = 64,966,260,180,562,422,530,048
  5. Step 5: Solve for x
    x = 64,966,260,180,562,422,530,048/291,634,160,934.12
  6. Step 6: Final answer
    x = 222,766,290,384.06

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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.