Home / 632,819,816,449.90-873,366,212,971.30-375,903,728,729.78

Finding the Fourth Proportional to 632,819,816,449.90, 873,366,212,971.30 and 375,903,728,729.78

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Solution

The fourth proportional to 632,819,816,449.90, 873,366,212,971.30 and 375,903,728,729.78 is: 518,791,617,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,819,816,449.90 : 873,366,212,971.30 = 375,903,728,729.78 : x
  2. Step 2: Convert to fraction form
    632,819,816,449.90/873,366,212,971.30 = 375,903,728,729.78/x
  3. Step 3: Cross multiply
    632,819,816,449.90x = 873,366,212,971.30 × 375,903,728,729.78
  4. Step 4: Simplify right side
    632,819,816,449.90x = 328,301,616,002,518,877,208,576
  5. Step 5: Solve for x
    x = 328,301,616,002,518,877,208,576/632,819,816,449.90
  6. Step 6: Final answer
    x = 518,791,617,247.83

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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.