Home / 1,422,175,725.62-1,962,588,045.06-787,097,450.52

Finding the Fourth Proportional to 1,422,175,725.62, 1,962,588,045.06 and 787,097,450.52

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Solution

The fourth proportional to 1,422,175,725.62, 1,962,588,045.06 and 787,097,450.52 is: 1,086,186,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,175,725.62 : 1,962,588,045.06 = 787,097,450.52 : x
  2. Step 2: Convert to fraction form
    1,422,175,725.62/1,962,588,045.06 = 787,097,450.52/x
  3. Step 3: Cross multiply
    1,422,175,725.62x = 1,962,588,045.06 × 787,097,450.52
  4. Step 4: Simplify right side
    1,422,175,725.62x = 1,544,748,046,674,008,576
  5. Step 5: Solve for x
    x = 1,544,748,046,674,008,576/1,422,175,725.62
  6. Step 6: Final answer
    x = 1,086,186,480.93

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Half scale
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Double scale
Find fourth proportional to 1,422,175,726.62, 1,962,588,046.43 and 787,097,451.52
Similar ratio
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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.