Home / 289,758,548.80-434,658,818.40-174,494,900.80

Finding the Fourth Proportional to 289,758,548.80, 434,658,818.40 and 174,494,900.80

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Solution

The fourth proportional to 289,758,548.80, 434,658,818.40 and 174,494,900.80 is: 261,754,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,758,548.80 : 434,658,818.40 = 174,494,900.80 : x
  2. Step 2: Convert to fraction form
    289,758,548.80/434,658,818.40 = 174,494,900.80/x
  3. Step 3: Cross multiply
    289,758,548.80x = 434,658,818.40 × 174,494,900.80
  4. Step 4: Simplify right side
    289,758,548.80x = 75,845,747,398,553,216
  5. Step 5: Solve for x
    x = 75,845,747,398,553,216/289,758,548.80
  6. Step 6: Final answer
    x = 261,754,994.68

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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.