Home / 828,109,214.10-1,241,108,812.35-440,117,918.10

Finding the Fourth Proportional to 828,109,214.10, 1,241,108,812.35 and 440,117,918.10

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Solution

The fourth proportional to 828,109,214.10, 1,241,108,812.35 and 440,117,918.10 is: 659,616,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,109,214.10 : 1,241,108,812.35 = 440,117,918.10 : x
  2. Step 2: Convert to fraction form
    828,109,214.10/1,241,108,812.35 = 440,117,918.10/x
  3. Step 3: Cross multiply
    828,109,214.10x = 1,241,108,812.35 × 440,117,918.10
  4. Step 4: Simplify right side
    828,109,214.10x = 546,234,226,627,045,568
  5. Step 5: Solve for x
    x = 546,234,226,627,045,568/828,109,214.10
  6. Step 6: Final answer
    x = 659,616,168.17

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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.