Home / 465,048,506.70-697,572,760.05-310,080,311.10

Finding the Fourth Proportional to 465,048,506.70, 697,572,760.05 and 310,080,311.10

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Solution

The fourth proportional to 465,048,506.70, 697,572,760.05 and 310,080,311.10 is: 465,120,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,048,506.70 : 697,572,760.05 = 310,080,311.10 : x
  2. Step 2: Convert to fraction form
    465,048,506.70/697,572,760.05 = 310,080,311.10/x
  3. Step 3: Cross multiply
    465,048,506.70x = 697,572,760.05 × 310,080,311.10
  4. Step 4: Simplify right side
    465,048,506.70x = 216,303,578,451,189,664
  5. Step 5: Solve for x
    x = 216,303,578,451,189,664/465,048,506.70
  6. Step 6: Final answer
    x = 465,120,466.65

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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.