Home / 553,164,212.66-763,357,392.97-302,263,092.57

Finding the Fourth Proportional to 553,164,212.66, 763,357,392.97 and 302,263,092.57

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Solution

The fourth proportional to 553,164,212.66, 763,357,392.97 and 302,263,092.57 is: 417,118,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,164,212.66 : 763,357,392.97 = 302,263,092.57 : x
  2. Step 2: Convert to fraction form
    553,164,212.66/763,357,392.97 = 302,263,092.57/x
  3. Step 3: Cross multiply
    553,164,212.66x = 763,357,392.97 × 302,263,092.57
  4. Step 4: Simplify right side
    553,164,212.66x = 230,734,766,333,948,192
  5. Step 5: Solve for x
    x = 230,734,766,333,948,192/553,164,212.66
  6. Step 6: Final answer
    x = 417,118,029.43

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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.