Home / 375,549,553.44-518,250,661.92-208,258,819.20

Finding the Fourth Proportional to 375,549,553.44, 518,250,661.92 and 208,258,819.20

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Solution

The fourth proportional to 375,549,553.44, 518,250,661.92 and 208,258,819.20 is: 287,392,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,549,553.44 : 518,250,661.92 = 208,258,819.20 : x
  2. Step 2: Convert to fraction form
    375,549,553.44/518,250,661.92 = 208,258,819.20/x
  3. Step 3: Cross multiply
    375,549,553.44x = 518,250,661.92 × 208,258,819.20
  4. Step 4: Simplify right side
    375,549,553.44x = 107,930,270,901,077,600
  5. Step 5: Solve for x
    x = 107,930,270,901,077,600/375,549,553.44
  6. Step 6: Final answer
    x = 287,392,888.40

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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.