Home / 621,108,178.40-931,662,267.60-184,476,252.80

Finding the Fourth Proportional to 621,108,178.40, 931,662,267.60 and 184,476,252.80

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Solution

The fourth proportional to 621,108,178.40, 931,662,267.60 and 184,476,252.80 is: 276,714,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,108,178.40 : 931,662,267.60 = 184,476,252.80 : x
  2. Step 2: Convert to fraction form
    621,108,178.40/931,662,267.60 = 184,476,252.80/x
  3. Step 3: Cross multiply
    621,108,178.40x = 931,662,267.60 × 184,476,252.80
  4. Step 4: Simplify right side
    621,108,178.40x = 171,869,564,001,998,880
  5. Step 5: Solve for x
    x = 171,869,564,001,998,880/621,108,178.40
  6. Step 6: Final answer
    x = 276,714,379.20

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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.