Home / 993,921,374.18-1,371,600,320.39-541,789,433.57

Finding the Fourth Proportional to 993,921,374.18, 1,371,600,320.39 and 541,789,433.57

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Solution

The fourth proportional to 993,921,374.18, 1,371,600,320.39 and 541,789,433.57 is: 747,663,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,921,374.18 : 1,371,600,320.39 = 541,789,433.57 : x
  2. Step 2: Convert to fraction form
    993,921,374.18/1,371,600,320.39 = 541,789,433.57/x
  3. Step 3: Cross multiply
    993,921,374.18x = 1,371,600,320.39 × 541,789,433.57
  4. Step 4: Simplify right side
    993,921,374.18x = 743,118,560,671,307,392
  5. Step 5: Solve for x
    x = 743,118,560,671,307,392/993,921,374.18
  6. Step 6: Final answer
    x = 747,663,326.27

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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.