Home / 12,925,554,163.12-17,838,064,101.90-7,131,829,250.26

Finding the Fourth Proportional to 12,925,554,163.12, 17,838,064,101.90 and 7,131,829,250.26

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Solution

The fourth proportional to 12,925,554,163.12, 17,838,064,101.90 and 7,131,829,250.26 is: 9,842,365,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925,554,163.12 : 17,838,064,101.90 = 7,131,829,250.26 : x
  2. Step 2: Convert to fraction form
    12,925,554,163.12/17,838,064,101.90 = 7,131,829,250.26/x
  3. Step 3: Cross multiply
    12,925,554,163.12x = 17,838,064,101.90 × 7,131,829,250.26
  4. Step 4: Simplify right side
    12,925,554,163.12x = 127,218,027,329,943,306,240
  5. Step 5: Solve for x
    x = 127,218,027,329,943,306,240/12,925,554,163.12
  6. Step 6: Final answer
    x = 9,842,365,420.04

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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.