Home / 375,549,555.44-518,250,664.68-208,258,821.20

Finding the Fourth Proportional to 375,549,555.44, 518,250,664.68 and 208,258,821.20

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Solution

The fourth proportional to 375,549,555.44, 518,250,664.68 and 208,258,821.20 is: 287,392,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,549,555.44 : 518,250,664.68 = 208,258,821.20 : x
  2. Step 2: Convert to fraction form
    375,549,555.44/518,250,664.68 = 208,258,821.20/x
  3. Step 3: Cross multiply
    375,549,555.44x = 518,250,664.68 × 208,258,821.20
  4. Step 4: Simplify right side
    375,549,555.44x = 107,930,272,512,373,264
  5. Step 5: Solve for x
    x = 107,930,272,512,373,264/375,549,555.44
  6. Step 6: Final answer
    x = 287,392,891.16

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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.