Home / 341,018,890.02-470,498,639.85-208,721,965.86

Finding the Fourth Proportional to 341,018,890.02, 470,498,639.85 and 208,721,965.86

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Solution

The fourth proportional to 341,018,890.02, 470,498,639.85 and 208,721,965.86 is: 287,970,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,018,890.02 : 470,498,639.85 = 208,721,965.86 : x
  2. Step 2: Convert to fraction form
    341,018,890.02/470,498,639.85 = 208,721,965.86/x
  3. Step 3: Cross multiply
    341,018,890.02x = 470,498,639.85 × 208,721,965.86
  4. Step 4: Simplify right side
    341,018,890.02x = 98,203,401,043,948,144
  5. Step 5: Solve for x
    x = 98,203,401,043,948,144/341,018,890.02
  6. Step 6: Final answer
    x = 287,970,560.92

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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.