Home / 1,520,808,451.84-2,098,355,919.33-860,758,729.84

Finding the Fourth Proportional to 1,520,808,451.84, 2,098,355,919.33 and 860,758,729.84

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Solution

The fourth proportional to 1,520,808,451.84, 2,098,355,919.33 and 860,758,729.84 is: 1,187,643,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,808,451.84 : 2,098,355,919.33 = 860,758,729.84 : x
  2. Step 2: Convert to fraction form
    1,520,808,451.84/2,098,355,919.33 = 860,758,729.84/x
  3. Step 3: Cross multiply
    1,520,808,451.84x = 2,098,355,919.33 × 860,758,729.84
  4. Step 4: Simplify right side
    1,520,808,451.84x = 1,806,178,175,874,736,384
  5. Step 5: Solve for x
    x = 1,806,178,175,874,736,384/1,520,808,451.84
  6. Step 6: Final answer
    x = 1,187,643,436.42

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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.