Home / 20,191,299,799.50-27,863,480,390.67-11,280,695,474.70

Finding the Fourth Proportional to 20,191,299,799.50, 27,863,480,390.67 and 11,280,695,474.70

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Solution

The fourth proportional to 20,191,299,799.50, 27,863,480,390.67 and 11,280,695,474.70 is: 15,567,072,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191,299,799.50 : 27,863,480,390.67 = 11,280,695,474.70 : x
  2. Step 2: Convert to fraction form
    20,191,299,799.50/27,863,480,390.67 = 11,280,695,474.70/x
  3. Step 3: Cross multiply
    20,191,299,799.50x = 27,863,480,390.67 × 11,280,695,474.70
  4. Step 4: Simplify right side
    20,191,299,799.50x = 314,319,437,152,423,247,872
  5. Step 5: Solve for x
    x = 314,319,437,152,423,247,872/20,191,299,799.50
  6. Step 6: Final answer
    x = 15,567,072,960.81

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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.