Home / 408,898,599,597.90-613,360,394,710.67-140,283,811,870.55

Finding the Fourth Proportional to 408,898,599,597.90, 613,360,394,710.67 and 140,283,811,870.55

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Solution

The fourth proportional to 408,898,599,597.90, 613,360,394,710.67 and 140,283,811,870.55 is: 210,430,004,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,898,599,597.90 : 613,360,394,710.67 = 140,283,811,870.55 : x
  2. Step 2: Convert to fraction form
    408,898,599,597.90/613,360,394,710.67 = 140,283,811,870.55/x
  3. Step 3: Cross multiply
    408,898,599,597.90x = 613,360,394,710.67 × 140,283,811,870.55
  4. Step 4: Simplify right side
    408,898,599,597.90x = 86,044,534,220,437,921,464,320
  5. Step 5: Solve for x
    x = 86,044,534,220,437,921,464,320/408,898,599,597.90
  6. Step 6: Final answer
    x = 210,430,004,663.88

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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.