Home / 1,396,560,589.17-1,927,339,636.86-770,027,079.57

Finding the Fourth Proportional to 1,396,560,589.17, 1,927,339,636.86 and 770,027,079.57

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Solution

The fourth proportional to 1,396,560,589.17, 1,927,339,636.86 and 770,027,079.57 is: 1,062,684,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,560,589.17 : 1,927,339,636.86 = 770,027,079.57 : x
  2. Step 2: Convert to fraction form
    1,396,560,589.17/1,927,339,636.86 = 770,027,079.57/x
  3. Step 3: Cross multiply
    1,396,560,589.17x = 1,927,339,636.86 × 770,027,079.57
  4. Step 4: Simplify right side
    1,396,560,589.17x = 1,484,103,711,913,703,424
  5. Step 5: Solve for x
    x = 1,484,103,711,913,703,424/1,396,560,589.17
  6. Step 6: Final answer
    x = 1,062,684,801.09

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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.