Home / 5,164,952,962,683.90-7,127,592,729,972-2,821,153,839,984.80

Finding the Fourth Proportional to 5,164,952,962,683.90, 7,127,592,729,972 and 2,821,153,839,984.80

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Solution

The fourth proportional to 5,164,952,962,683.90, 7,127,592,729,972 and 2,821,153,839,984.80 is: 3,893,169,162,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164,952,962,683.90 : 7,127,592,729,972 = 2,821,153,839,984.80 : x
  2. Step 2: Convert to fraction form
    5,164,952,962,683.90/7,127,592,729,972 = 2,821,153,839,984.80/x
  3. Step 3: Cross multiply
    5,164,952,962,683.90x = 7,127,592,729,972 × 2,821,153,839,984.80
  4. Step 4: Simplify right side
    5,164,952,962,683.90x = 20,108,035,600,008,248,159,109,120
  5. Step 5: Solve for x
    x = 20,108,035,600,008,248,159,109,120/5,164,952,962,683.90
  6. Step 6: Final answer
    x = 3,893,169,162,485.34

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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.