Home / 289,755,724.80-434,654,582.40-174,492,076.80

Finding the Fourth Proportional to 289,755,724.80, 434,654,582.40 and 174,492,076.80

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Solution

The fourth proportional to 289,755,724.80, 434,654,582.40 and 174,492,076.80 is: 261,750,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,755,724.80 : 434,654,582.40 = 174,492,076.80 : x
  2. Step 2: Convert to fraction form
    289,755,724.80/434,654,582.40 = 174,492,076.80/x
  3. Step 3: Cross multiply
    289,755,724.80x = 434,654,582.40 × 174,492,076.80
  4. Step 4: Simplify right side
    289,755,724.80x = 75,843,780,773,612,736
  5. Step 5: Solve for x
    x = 75,843,780,773,612,736/289,755,724.80
  6. Step 6: Final answer
    x = 261,750,758.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.