Home / 1,282,856,811.16-1,770,342,399.54-696,145,947.16

Finding the Fourth Proportional to 1,282,856,811.16, 1,770,342,399.54 and 696,145,947.16

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Solution

The fourth proportional to 1,282,856,811.16, 1,770,342,399.54 and 696,145,947.16 is: 960,681,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,856,811.16 : 1,770,342,399.54 = 696,145,947.16 : x
  2. Step 2: Convert to fraction form
    1,282,856,811.16/1,770,342,399.54 = 696,145,947.16/x
  3. Step 3: Cross multiply
    1,282,856,811.16x = 1,770,342,399.54 × 696,145,947.16
  4. Step 4: Simplify right side
    1,282,856,811.16x = 1,232,416,686,525,280,256
  5. Step 5: Solve for x
    x = 1,232,416,686,525,280,256/1,282,856,811.16
  6. Step 6: Final answer
    x = 960,681,407.16

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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.