Home / 1,324,798,575.37-1,828,168,806.38-721,956,397.16

Finding the Fourth Proportional to 1,324,798,575.37, 1,828,168,806.38 and 721,956,397.16

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Solution

The fourth proportional to 1,324,798,575.37, 1,828,168,806.38 and 721,956,397.16 is: 996,270,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,798,575.37 : 1,828,168,806.38 = 721,956,397.16 : x
  2. Step 2: Convert to fraction form
    1,324,798,575.37/1,828,168,806.38 = 721,956,397.16/x
  3. Step 3: Cross multiply
    1,324,798,575.37x = 1,828,168,806.38 × 721,956,397.16
  4. Step 4: Simplify right side
    1,324,798,575.37x = 1,319,858,164,849,203,968
  5. Step 5: Solve for x
    x = 1,319,858,164,849,203,968/1,324,798,575.37
  6. Step 6: Final answer
    x = 996,270,821.38

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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.