Home / 699,019,043.46-964,669,448.73-381,496,675.14

Finding the Fourth Proportional to 699,019,043.46, 964,669,448.73 and 381,496,675.14

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Solution

The fourth proportional to 699,019,043.46, 964,669,448.73 and 381,496,675.14 is: 526,478,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,019,043.46 : 964,669,448.73 = 381,496,675.14 : x
  2. Step 2: Convert to fraction form
    699,019,043.46/964,669,448.73 = 381,496,675.14/x
  3. Step 3: Cross multiply
    699,019,043.46x = 964,669,448.73 × 381,496,675.14
  4. Step 4: Simplify right side
    699,019,043.46x = 368,018,187,299,631,680
  5. Step 5: Solve for x
    x = 368,018,187,299,631,680/699,019,043.46
  6. Step 6: Final answer
    x = 526,478,056.27

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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.