Home / 842,008,468.50-1,161,842,599.22-484,707,179.34

Finding the Fourth Proportional to 842,008,468.50, 1,161,842,599.22 and 484,707,179.34

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Solution

The fourth proportional to 842,008,468.50, 1,161,842,599.22 and 484,707,179.34 is: 668,821,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,008,468.50 : 1,161,842,599.22 = 484,707,179.34 : x
  2. Step 2: Convert to fraction form
    842,008,468.50/1,161,842,599.22 = 484,707,179.34/x
  3. Step 3: Cross multiply
    842,008,468.50x = 1,161,842,599.22 × 484,707,179.34
  4. Step 4: Simplify right side
    842,008,468.50x = 563,153,449,102,556,672
  5. Step 5: Solve for x
    x = 563,153,449,102,556,672/842,008,468.50
  6. Step 6: Final answer
    x = 668,821,597.61

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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.