Home / 926,376,080.57-1,278,421,203.84-503,007,584.52

Finding the Fourth Proportional to 926,376,080.57, 1,278,421,203.84 and 503,007,584.52

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Solution

The fourth proportional to 926,376,080.57, 1,278,421,203.84 and 503,007,584.52 is: 694,162,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,376,080.57 : 1,278,421,203.84 = 503,007,584.52 : x
  2. Step 2: Convert to fraction form
    926,376,080.57/1,278,421,203.84 = 503,007,584.52/x
  3. Step 3: Cross multiply
    926,376,080.57x = 1,278,421,203.84 × 503,007,584.52
  4. Step 4: Simplify right side
    926,376,080.57x = 643,055,561,742,708,864
  5. Step 5: Solve for x
    x = 643,055,561,742,708,864/926,376,080.57
  6. Step 6: Final answer
    x = 694,162,527.76

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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.