Home / 20,974,700,199.72-28,945,097,888.91-11,329,430,124.96

Finding the Fourth Proportional to 20,974,700,199.72, 28,945,097,888.91 and 11,329,430,124.96

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Solution

The fourth proportional to 20,974,700,199.72, 28,945,097,888.91 and 11,329,430,124.96 is: 15,634,619,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,974,700,199.72 : 28,945,097,888.91 = 11,329,430,124.96 : x
  2. Step 2: Convert to fraction form
    20,974,700,199.72/28,945,097,888.91 = 11,329,430,124.96/x
  3. Step 3: Cross multiply
    20,974,700,199.72x = 28,945,097,888.91 × 11,329,430,124.96
  4. Step 4: Simplify right side
    20,974,700,199.72x = 327,931,463,992,533,057,536
  5. Step 5: Solve for x
    x = 327,931,463,992,533,057,536/20,974,700,199.72
  6. Step 6: Final answer
    x = 15,634,619,845.34

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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.