Home / 20,974,700,208.16-28,945,097,900.60-11,329,430,133.52

Finding the Fourth Proportional to 20,974,700,208.16, 28,945,097,900.60 and 11,329,430,133.52

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Solution

The fourth proportional to 20,974,700,208.16, 28,945,097,900.60 and 11,329,430,133.52 is: 15,634,619,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,974,700,208.16 : 28,945,097,900.60 = 11,329,430,133.52 : x
  2. Step 2: Convert to fraction form
    20,974,700,208.16/28,945,097,900.60 = 11,329,430,133.52/x
  3. Step 3: Cross multiply
    20,974,700,208.16x = 28,945,097,900.60 × 11,329,430,133.52
  4. Step 4: Simplify right side
    20,974,700,208.16x = 327,931,464,372,744,093,696
  5. Step 5: Solve for x
    x = 327,931,464,372,744,093,696/20,974,700,208.16
  6. Step 6: Final answer
    x = 15,634,619,857.17

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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.