Home / 711,414,509.28-1,067,486,564.40-343,263,431.76

Finding the Fourth Proportional to 711,414,509.28, 1,067,486,564.40 and 343,263,431.76

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Solution

The fourth proportional to 711,414,509.28, 1,067,486,564.40 and 343,263,431.76 is: 515,071,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,414,509.28 : 1,067,486,564.40 = 343,263,431.76 : x
  2. Step 2: Convert to fraction form
    711,414,509.28/1,067,486,564.40 = 343,263,431.76/x
  3. Step 3: Cross multiply
    711,414,509.28x = 1,067,486,564.40 × 343,263,431.76
  4. Step 4: Simplify right side
    711,414,509.28x = 366,429,101,453,636,224
  5. Step 5: Solve for x
    x = 366,429,101,453,636,224/711,414,509.28
  6. Step 6: Final answer
    x = 515,071,166.91

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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.