Home / 27,672,951,955.47-38,188,710,525.91-14,985,709,501.78

Finding the Fourth Proportional to 27,672,951,955.47, 38,188,710,525.91 and 14,985,709,501.78

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Solution

The fourth proportional to 27,672,951,955.47, 38,188,710,525.91 and 14,985,709,501.78 is: 20,680,299,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672,951,955.47 : 38,188,710,525.91 = 14,985,709,501.78 : x
  2. Step 2: Convert to fraction form
    27,672,951,955.47/38,188,710,525.91 = 14,985,709,501.78/x
  3. Step 3: Cross multiply
    27,672,951,955.47x = 38,188,710,525.91 × 14,985,709,501.78
  4. Step 4: Simplify right side
    27,672,951,955.47x = 572,284,922,188,833,619,968
  5. Step 5: Solve for x
    x = 572,284,922,188,833,619,968/27,672,951,955.47
  6. Step 6: Final answer
    x = 20,680,299,055.55

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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.