Home / 15,565,767,782.30-23,348,651,673.45-7,171,657,187.30

Finding the Fourth Proportional to 15,565,767,782.30, 23,348,651,673.45 and 7,171,657,187.30

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Solution

The fourth proportional to 15,565,767,782.30, 23,348,651,673.45 and 7,171,657,187.30 is: 10,757,485,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,767,782.30 : 23,348,651,673.45 = 7,171,657,187.30 : x
  2. Step 2: Convert to fraction form
    15,565,767,782.30/23,348,651,673.45 = 7,171,657,187.30/x
  3. Step 3: Cross multiply
    15,565,767,782.30x = 23,348,651,673.45 × 7,171,657,187.30
  4. Step 4: Simplify right side
    15,565,767,782.30x = 167,448,525,587,661,881,344
  5. Step 5: Solve for x
    x = 167,448,525,587,661,881,344/15,565,767,782.30
  6. Step 6: Final answer
    x = 10,757,485,780.95

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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.