Home / 1,030,949,338.62-1,423,009,881.86-673,770,846.88

Finding the Fourth Proportional to 1,030,949,338.62, 1,423,009,881.86 and 673,770,846.88

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Solution

The fourth proportional to 1,030,949,338.62, 1,423,009,881.86 and 673,770,846.88 is: 929,999,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,949,338.62 : 1,423,009,881.86 = 673,770,846.88 : x
  2. Step 2: Convert to fraction form
    1,030,949,338.62/1,423,009,881.86 = 673,770,846.88/x
  3. Step 3: Cross multiply
    1,030,949,338.62x = 1,423,009,881.86 × 673,770,846.88
  4. Step 4: Simplify right side
    1,030,949,338.62x = 958,782,573,219,420,928
  5. Step 5: Solve for x
    x = 958,782,573,219,420,928/1,030,949,338.62
  6. Step 6: Final answer
    x = 929,999,697.66

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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.