Home / 453,438,943,176.78-625,742,022,864.96-247,673,313,749.16

Finding the Fourth Proportional to 453,438,943,176.78, 625,742,022,864.96 and 247,673,313,749.16

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Solution

The fourth proportional to 453,438,943,176.78, 625,742,022,864.96 and 247,673,313,749.16 is: 341,787,141,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,438,943,176.78 : 625,742,022,864.96 = 247,673,313,749.16 : x
  2. Step 2: Convert to fraction form
    453,438,943,176.78/625,742,022,864.96 = 247,673,313,749.16/x
  3. Step 3: Cross multiply
    453,438,943,176.78x = 625,742,022,864.96 × 247,673,313,749.16
  4. Step 4: Simplify right side
    453,438,943,176.78x = 154,979,600,355,067,279,966,208
  5. Step 5: Solve for x
    x = 154,979,600,355,067,279,966,208/453,438,943,176.78
  6. Step 6: Final answer
    x = 341,787,141,768.82

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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.