Home / 550,364,814.90-825,547,222.35-508,274,687.70

Finding the Fourth Proportional to 550,364,814.90, 825,547,222.35 and 508,274,687.70

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Solution

The fourth proportional to 550,364,814.90, 825,547,222.35 and 508,274,687.70 is: 762,412,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,364,814.90 : 825,547,222.35 = 508,274,687.70 : x
  2. Step 2: Convert to fraction form
    550,364,814.90/825,547,222.35 = 508,274,687.70/x
  3. Step 3: Cross multiply
    550,364,814.90x = 825,547,222.35 × 508,274,687.70
  4. Step 4: Simplify right side
    550,364,814.90x = 419,604,756,621,548,736
  5. Step 5: Solve for x
    x = 419,604,756,621,548,736/550,364,814.90
  6. Step 6: Final answer
    x = 762,412,031.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.