Home / 826,173,522.84-1,140,147,443.40-449,844,705.72

Finding the Fourth Proportional to 826,173,522.84, 1,140,147,443.40 and 449,844,705.72

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Solution

The fourth proportional to 826,173,522.84, 1,140,147,443.40 and 449,844,705.72 is: 620,800,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,173,522.84 : 1,140,147,443.40 = 449,844,705.72 : x
  2. Step 2: Convert to fraction form
    826,173,522.84/1,140,147,443.40 = 449,844,705.72/x
  3. Step 3: Cross multiply
    826,173,522.84x = 1,140,147,443.40 × 449,844,705.72
  4. Step 4: Simplify right side
    826,173,522.84x = 512,889,291,153,683,456
  5. Step 5: Solve for x
    x = 512,889,291,153,683,456/826,173,522.84
  6. Step 6: Final answer
    x = 620,800,929.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.