Home / 1,121,097,058.43-1,681,639,470.53-457,108,472.88

Finding the Fourth Proportional to 1,121,097,058.43, 1,681,639,470.53 and 457,108,472.88

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Solution

The fourth proportional to 1,121,097,058.43, 1,681,639,470.53 and 457,108,472.88 is: 685,660,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,097,058.43 : 1,681,639,470.53 = 457,108,472.88 : x
  2. Step 2: Convert to fraction form
    1,121,097,058.43/1,681,639,470.53 = 457,108,472.88/x
  3. Step 3: Cross multiply
    1,121,097,058.43x = 1,681,639,470.53 × 457,108,472.88
  4. Step 4: Simplify right side
    1,121,097,058.43x = 768,691,650,310,756,992
  5. Step 5: Solve for x
    x = 768,691,650,310,756,992/1,121,097,058.43
  6. Step 6: Final answer
    x = 685,660,215.17

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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.