Home / 28,811,293,056-39,759,584,417.28-15,625,187,712

Finding the Fourth Proportional to 28,811,293,056, 39,759,584,417.28 and 15,625,187,712

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Solution

The fourth proportional to 28,811,293,056, 39,759,584,417.28 and 15,625,187,712 is: 21,562,759,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,293,056 : 39,759,584,417.28 = 15,625,187,712 : x
  2. Step 2: Convert to fraction form
    28,811,293,056/39,759,584,417.28 = 15,625,187,712/x
  3. Step 3: Cross multiply
    28,811,293,056x = 39,759,584,417.28 × 15,625,187,712
  4. Step 4: Simplify right side
    28,811,293,056x = 621,250,969,871,110,111,232
  5. Step 5: Solve for x
    x = 621,250,969,871,110,111,232/28,811,293,056
  6. Step 6: Final answer
    x = 21,562,759,042.56

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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.