Home / 828,108,116.10-1,241,107,165.35-440,116,820.10

Finding the Fourth Proportional to 828,108,116.10, 1,241,107,165.35 and 440,116,820.10

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Solution

The fourth proportional to 828,108,116.10, 1,241,107,165.35 and 440,116,820.10 is: 659,614,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,108,116.10 : 1,241,107,165.35 = 440,116,820.10 : x
  2. Step 2: Convert to fraction form
    828,108,116.10/1,241,107,165.35 = 440,116,820.10/x
  3. Step 3: Cross multiply
    828,108,116.10x = 1,241,107,165.35 × 440,116,820.10
  4. Step 4: Simplify right side
    828,108,116.10x = 546,232,139,017,166,912
  5. Step 5: Solve for x
    x = 546,232,139,017,166,912/828,108,116.10
  6. Step 6: Final answer
    x = 659,614,521.82

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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.