Home / 216,729,005,515.43-299,018,552,057.45-125,244,227,430.68

Finding the Fourth Proportional to 216,729,005,515.43, 299,018,552,057.45 and 125,244,227,430.68

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Solution

The fourth proportional to 216,729,005,515.43, 299,018,552,057.45 and 125,244,227,430.68 is: 172,798,040,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,729,005,515.43 : 299,018,552,057.45 = 125,244,227,430.68 : x
  2. Step 2: Convert to fraction form
    216,729,005,515.43/299,018,552,057.45 = 125,244,227,430.68/x
  3. Step 3: Cross multiply
    216,729,005,515.43x = 299,018,552,057.45 × 125,244,227,430.68
  4. Step 4: Simplify right side
    216,729,005,515.43x = 37,450,347,539,875,892,297,728
  5. Step 5: Solve for x
    x = 37,450,347,539,875,892,297,728/216,729,005,515.43
  6. Step 6: Final answer
    x = 172,798,040,810.51

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1.5x scale

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.