Home / 587,446,819.86-811,839,272.63-481,433,059.20

Finding the Fourth Proportional to 587,446,819.86, 811,839,272.63 and 481,433,059.20

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Solution

The fourth proportional to 587,446,819.86, 811,839,272.63 and 481,433,059.20 is: 665,330,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,446,819.86 : 811,839,272.63 = 481,433,059.20 : x
  2. Step 2: Convert to fraction form
    587,446,819.86/811,839,272.63 = 481,433,059.20/x
  3. Step 3: Cross multiply
    587,446,819.86x = 811,839,272.63 × 481,433,059.20
  4. Step 4: Simplify right side
    587,446,819.86x = 390,846,264,600,963,712
  5. Step 5: Solve for x
    x = 390,846,264,600,963,712/587,446,819.86
  6. Step 6: Final answer
    x = 665,330,462.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.