Home / 576,714,749.36-795,870,175.43-312,396,742.40

Finding the Fourth Proportional to 576,714,749.36, 795,870,175.43 and 312,396,742.40

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Solution

The fourth proportional to 576,714,749.36, 795,870,175.43 and 312,396,742.40 is: 431,109,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,714,749.36 : 795,870,175.43 = 312,396,742.40 : x
  2. Step 2: Convert to fraction form
    576,714,749.36/795,870,175.43 = 312,396,742.40/x
  3. Step 3: Cross multiply
    576,714,749.36x = 795,870,175.43 × 312,396,742.40
  4. Step 4: Simplify right side
    576,714,749.36x = 248,627,250,174,450,144
  5. Step 5: Solve for x
    x = 248,627,250,174,450,144/576,714,749.36
  6. Step 6: Final answer
    x = 431,109,574.45

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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.