Home / 510,463,981.26-765,241,703.64-199,500,881.04

Finding the Fourth Proportional to 510,463,981.26, 765,241,703.64 and 199,500,881.04

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Solution

The fourth proportional to 510,463,981.26, 765,241,703.64 and 199,500,881.04 is: 299,073,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,463,981.26 : 765,241,703.64 = 199,500,881.04 : x
  2. Step 2: Convert to fraction form
    510,463,981.26/765,241,703.64 = 199,500,881.04/x
  3. Step 3: Cross multiply
    510,463,981.26x = 765,241,703.64 × 199,500,881.04
  4. Step 4: Simplify right side
    510,463,981.26x = 152,666,394,084,730,560
  5. Step 5: Solve for x
    x = 152,666,394,084,730,560/510,463,981.26
  6. Step 6: Final answer
    x = 299,073,783.24

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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.