Home / 341,018,887.02-470,498,635.71-208,721,962.86

Finding the Fourth Proportional to 341,018,887.02, 470,498,635.71 and 208,721,962.86

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Solution

The fourth proportional to 341,018,887.02, 470,498,635.71 and 208,721,962.86 is: 287,970,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,018,887.02 : 470,498,635.71 = 208,721,962.86 : x
  2. Step 2: Convert to fraction form
    341,018,887.02/470,498,635.71 = 208,721,962.86/x
  3. Step 3: Cross multiply
    341,018,887.02x = 470,498,635.71 × 208,721,962.86
  4. Step 4: Simplify right side
    341,018,887.02x = 98,203,398,768,343,296
  5. Step 5: Solve for x
    x = 98,203,398,768,343,296/341,018,887.02
  6. Step 6: Final answer
    x = 287,970,556.78

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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.