Home / 1,324,956,820.25-1,828,512,316.70-760,437,188.60

Finding the Fourth Proportional to 1,324,956,820.25, 1,828,512,316.70 and 760,437,188.60

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Solution

The fourth proportional to 1,324,956,820.25, 1,828,512,316.70 and 760,437,188.60 is: 1,049,444,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,956,820.25 : 1,828,512,316.70 = 760,437,188.60 : x
  2. Step 2: Convert to fraction form
    1,324,956,820.25/1,828,512,316.70 = 760,437,188.60/x
  3. Step 3: Cross multiply
    1,324,956,820.25x = 1,828,512,316.70 × 760,437,188.60
  4. Step 4: Simplify right side
    1,324,956,820.25x = 1,390,468,765,424,579,584
  5. Step 5: Solve for x
    x = 1,390,468,765,424,579,584/1,324,956,820.25
  6. Step 6: Final answer
    x = 1,049,444,588.81

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Double scale
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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.