Home / 1,321,381,072.57-1,822,989,780.29-756,564,093.35

Finding the Fourth Proportional to 1,321,381,072.57, 1,822,989,780.29 and 756,564,093.35

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Solution

The fourth proportional to 1,321,381,072.57, 1,822,989,780.29 and 756,564,093.35 is: 1,043,762,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,381,072.57 : 1,822,989,780.29 = 756,564,093.35 : x
  2. Step 2: Convert to fraction form
    1,321,381,072.57/1,822,989,780.29 = 756,564,093.35/x
  3. Step 3: Cross multiply
    1,321,381,072.57x = 1,822,989,780.29 × 756,564,093.35
  4. Step 4: Simplify right side
    1,321,381,072.57x = 1,379,208,610,298,521,856
  5. Step 5: Solve for x
    x = 1,379,208,610,298,521,856/1,321,381,072.57
  6. Step 6: Final answer
    x = 1,043,762,952.97

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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.