Home / 1,321,848,538.38-1,824,185,019.78-727,148,300.94

Finding the Fourth Proportional to 1,321,848,538.38, 1,824,185,019.78 and 727,148,300.94

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Solution

The fourth proportional to 1,321,848,538.38, 1,824,185,019.78 and 727,148,300.94 is: 1,003,483,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,848,538.38 : 1,824,185,019.78 = 727,148,300.94 : x
  2. Step 2: Convert to fraction form
    1,321,848,538.38/1,824,185,019.78 = 727,148,300.94/x
  3. Step 3: Cross multiply
    1,321,848,538.38x = 1,824,185,019.78 × 727,148,300.94
  4. Step 4: Simplify right side
    1,321,848,538.38x = 1,326,453,037,733,227,264
  5. Step 5: Solve for x
    x = 1,326,453,037,733,227,264/1,321,848,538.38
  6. Step 6: Final answer
    x = 1,003,483,378.93

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Half scale
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Double scale
Find fourth proportional to 1,321,848,539.38, 1,824,185,021.16 and 727,148,301.94
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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.