Home / 839,808,082.80-1,259,712,124.20-624,817,234.80

Finding the Fourth Proportional to 839,808,082.80, 1,259,712,124.20 and 624,817,234.80

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Solution

The fourth proportional to 839,808,082.80, 1,259,712,124.20 and 624,817,234.80 is: 937,225,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,082.80 : 1,259,712,124.20 = 624,817,234.80 : x
  2. Step 2: Convert to fraction form
    839,808,082.80/1,259,712,124.20 = 624,817,234.80/x
  3. Step 3: Cross multiply
    839,808,082.80x = 1,259,712,124.20 × 624,817,234.80
  4. Step 4: Simplify right side
    839,808,082.80x = 787,089,846,086,678,144
  5. Step 5: Solve for x
    x = 787,089,846,086,678,144/839,808,082.80
  6. Step 6: Final answer
    x = 937,225,852.20

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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.