Home / 699,017,609.66-964,664,752.57-381,498,221.00

Finding the Fourth Proportional to 699,017,609.66, 964,664,752.57 and 381,498,221.00

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Solution

The fourth proportional to 699,017,609.66, 964,664,752.57 and 381,498,221.00 is: 526,478,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,017,609.66 : 964,664,752.57 = 381,498,221.00 : x
  2. Step 2: Convert to fraction form
    699,017,609.66/964,664,752.57 = 381,498,221.00/x
  3. Step 3: Cross multiply
    699,017,609.66x = 964,664,752.57 × 381,498,221.00
  4. Step 4: Simplify right side
    699,017,609.66x = 368,017,886,968,318,080
  5. Step 5: Solve for x
    x = 368,017,886,968,318,080/699,017,609.66
  6. Step 6: Final answer
    x = 526,478,706.52

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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.