Home / 20,799,828,863.46-28,703,818,876.68-11,284,380,316.98

Finding the Fourth Proportional to 20,799,828,863.46, 28,703,818,876.68 and 11,284,380,316.98

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Solution

The fourth proportional to 20,799,828,863.46, 28,703,818,876.68 and 11,284,380,316.98 is: 15,572,474,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799,828,863.46 : 28,703,818,876.68 = 11,284,380,316.98 : x
  2. Step 2: Convert to fraction form
    20,799,828,863.46/28,703,818,876.68 = 11,284,380,316.98/x
  3. Step 3: Cross multiply
    20,799,828,863.46x = 28,703,818,876.68 × 11,284,380,316.98
  4. Step 4: Simplify right side
    20,799,828,863.46x = 323,904,808,754,166,759,424
  5. Step 5: Solve for x
    x = 323,904,808,754,166,759,424/20,799,828,863.46
  6. Step 6: Final answer
    x = 15,572,474,700.65

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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.