Home / 864,466,515.14-1,297,216,206.32-794,134,308.78

Finding the Fourth Proportional to 864,466,515.14, 1,297,216,206.32 and 794,134,308.78

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Solution

The fourth proportional to 864,466,515.14, 1,297,216,206.32 and 794,134,308.78 is: 1,191,675,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,466,515.14 : 1,297,216,206.32 = 794,134,308.78 : x
  2. Step 2: Convert to fraction form
    864,466,515.14/1,297,216,206.32 = 794,134,308.78/x
  3. Step 3: Cross multiply
    864,466,515.14x = 1,297,216,206.32 × 794,134,308.78
  4. Step 4: Simplify right side
    864,466,515.14x = 1,030,163,895,340,176,384
  5. Step 5: Solve for x
    x = 1,030,163,895,340,176,384/864,466,515.14
  6. Step 6: Final answer
    x = 1,191,675,880.22

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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.