Home / 828,108,112.60-1,241,107,160.10-440,116,816.60

Finding the Fourth Proportional to 828,108,112.60, 1,241,107,160.10 and 440,116,816.60

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Solution

The fourth proportional to 828,108,112.60, 1,241,107,160.10 and 440,116,816.60 is: 659,614,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,108,112.60 : 1,241,107,160.10 = 440,116,816.60 : x
  2. Step 2: Convert to fraction form
    828,108,112.60/1,241,107,160.10 = 440,116,816.60/x
  3. Step 3: Cross multiply
    828,108,112.60x = 1,241,107,160.10 × 440,116,816.60
  4. Step 4: Simplify right side
    828,108,112.60x = 546,232,132,362,678,528
  5. Step 5: Solve for x
    x = 546,232,132,362,678,528/828,108,112.60
  6. Step 6: Final answer
    x = 659,614,516.57

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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.