Home / 1,282,856,949.79-1,770,342,590.87-696,146,085.79

Finding the Fourth Proportional to 1,282,856,949.79, 1,770,342,590.87 and 696,146,085.79

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Solution

The fourth proportional to 1,282,856,949.79, 1,770,342,590.87 and 696,146,085.79 is: 960,681,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,856,949.79 : 1,770,342,590.87 = 696,146,085.79 : x
  2. Step 2: Convert to fraction form
    1,282,856,949.79/1,770,342,590.87 = 696,146,085.79/x
  3. Step 3: Cross multiply
    1,282,856,949.79x = 1,770,342,590.87 × 696,146,085.79
  4. Step 4: Simplify right side
    1,282,856,949.79x = 1,232,417,065,136,147,200
  5. Step 5: Solve for x
    x = 1,232,417,065,136,147,200/1,282,856,949.79
  6. Step 6: Final answer
    x = 960,681,598.47

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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.