Home / 543,782,719,276.79-815,674,079,712.52-221,009,910,401.52

Finding the Fourth Proportional to 543,782,719,276.79, 815,674,079,712.52 and 221,009,910,401.52

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Solution

The fourth proportional to 543,782,719,276.79, 815,674,079,712.52 and 221,009,910,401.52 is: 331,514,865,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,782,719,276.79 : 815,674,079,712.52 = 221,009,910,401.52 : x
  2. Step 2: Convert to fraction form
    543,782,719,276.79/815,674,079,712.52 = 221,009,910,401.52/x
  3. Step 3: Cross multiply
    543,782,719,276.79x = 815,674,079,712.52 × 221,009,910,401.52
  4. Step 4: Simplify right side
    543,782,719,276.79x = 180,272,055,274,106,332,905,472
  5. Step 5: Solve for x
    x = 180,272,055,274,106,332,905,472/543,782,719,276.79
  6. Step 6: Final answer
    x = 331,514,865,926.34

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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.