Home / 1,180,902,200.64-1,771,401,711.42-405,081,398.04

Finding the Fourth Proportional to 1,180,902,200.64, 1,771,401,711.42 and 405,081,398.04

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Solution

The fourth proportional to 1,180,902,200.64, 1,771,401,711.42 and 405,081,398.04 is: 607,638,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,902,200.64 : 1,771,401,711.42 = 405,081,398.04 : x
  2. Step 2: Convert to fraction form
    1,180,902,200.64/1,771,401,711.42 = 405,081,398.04/x
  3. Step 3: Cross multiply
    1,180,902,200.64x = 1,771,401,711.42 × 405,081,398.04
  4. Step 4: Simplify right side
    1,180,902,200.64x = 717,561,881,752,462,336
  5. Step 5: Solve for x
    x = 717,561,881,752,462,336/1,180,902,200.64
  6. Step 6: Final answer
    x = 607,638,703.16

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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.