Home / 551,123,587.21-760,550,215.03-303,604,941.46

Finding the Fourth Proportional to 551,123,587.21, 760,550,215.03 and 303,604,941.46

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Solution

The fourth proportional to 551,123,587.21, 760,550,215.03 and 303,604,941.46 is: 418,974,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,123,587.21 : 760,550,215.03 = 303,604,941.46 : x
  2. Step 2: Convert to fraction form
    551,123,587.21/760,550,215.03 = 303,604,941.46/x
  3. Step 3: Cross multiply
    551,123,587.21x = 760,550,215.03 × 303,604,941.46
  4. Step 4: Simplify right side
    551,123,587.21x = 230,906,803,511,573,536
  5. Step 5: Solve for x
    x = 230,906,803,511,573,536/551,123,587.21
  6. Step 6: Final answer
    x = 418,974,634.49

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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.