Home / 693,580,599.72-956,215,302.93-550,999,449.09

Finding the Fourth Proportional to 693,580,599.72, 956,215,302.93 and 550,999,449.09

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Solution

The fourth proportional to 693,580,599.72, 956,215,302.93 and 550,999,449.09 is: 759,643,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,580,599.72 : 956,215,302.93 = 550,999,449.09 : x
  2. Step 2: Convert to fraction form
    693,580,599.72/956,215,302.93 = 550,999,449.09/x
  3. Step 3: Cross multiply
    693,580,599.72x = 956,215,302.93 × 550,999,449.09
  4. Step 4: Simplify right side
    693,580,599.72x = 526,874,105,125,857,472
  5. Step 5: Solve for x
    x = 526,874,105,125,857,472/693,580,599.72
  6. Step 6: Final answer
    x = 759,643,659.78

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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.