Home / 1,283,159,433.96-1,770,761,329.38-696,448,690.92

Finding the Fourth Proportional to 1,283,159,433.96, 1,770,761,329.38 and 696,448,690.92

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Solution

The fourth proportional to 1,283,159,433.96, 1,770,761,329.38 and 696,448,690.92 is: 961,099,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,159,433.96 : 1,770,761,329.38 = 696,448,690.92 : x
  2. Step 2: Convert to fraction form
    1,283,159,433.96/1,770,761,329.38 = 696,448,690.92/x
  3. Step 3: Cross multiply
    1,283,159,433.96x = 1,770,761,329.38 × 696,448,690.92
  4. Step 4: Simplify right side
    1,283,159,433.96x = 1,233,244,409,778,459,904
  5. Step 5: Solve for x
    x = 1,233,244,409,778,459,904/1,283,159,433.96
  6. Step 6: Final answer
    x = 961,099,904.77

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Double scale
Find fourth proportional to 1,283,159,434.96, 1,770,761,330.76 and 696,448,691.92
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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.