Home / 1,288,672,321.34-1,932,217,368.18-500,806,028.92

Finding the Fourth Proportional to 1,288,672,321.34, 1,932,217,368.18 and 500,806,028.92

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Solution

The fourth proportional to 1,288,672,321.34, 1,932,217,368.18 and 500,806,028.92 is: 750,901,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,672,321.34 : 1,932,217,368.18 = 500,806,028.92 : x
  2. Step 2: Convert to fraction form
    1,288,672,321.34/1,932,217,368.18 = 500,806,028.92/x
  3. Step 3: Cross multiply
    1,288,672,321.34x = 1,932,217,368.18 × 500,806,028.92
  4. Step 4: Simplify right side
    1,288,672,321.34x = 967,666,107,168,479,488
  5. Step 5: Solve for x
    x = 967,666,107,168,479,488/1,288,672,321.34
  6. Step 6: Final answer
    x = 750,901,599.38

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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.