Home / 15,342,311,271.22-21,169,318,868.45-8,567,087,382.66

Finding the Fourth Proportional to 15,342,311,271.22, 21,169,318,868.45 and 8,567,087,382.66

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Solution

The fourth proportional to 15,342,311,271.22, 21,169,318,868.45 and 8,567,087,382.66 is: 11,820,865,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,311,271.22 : 21,169,318,868.45 = 8,567,087,382.66 : x
  2. Step 2: Convert to fraction form
    15,342,311,271.22/21,169,318,868.45 = 8,567,087,382.66/x
  3. Step 3: Cross multiply
    15,342,311,271.22x = 21,169,318,868.45 × 8,567,087,382.66
  4. Step 4: Simplify right side
    15,342,311,271.22x = 181,359,404,577,404,256,256
  5. Step 5: Solve for x
    x = 181,359,404,577,404,256,256/15,342,311,271.22
  6. Step 6: Final answer
    x = 11,820,865,928.96

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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.