Home / 15,735,503,702.64-21,716,232,965.64-8,961,608,700.48

Finding the Fourth Proportional to 15,735,503,702.64, 21,716,232,965.64 and 8,961,608,700.48

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Solution

The fourth proportional to 15,735,503,702.64, 21,716,232,965.64 and 8,961,608,700.48 is: 12,367,724,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735,503,702.64 : 21,716,232,965.64 = 8,961,608,700.48 : x
  2. Step 2: Convert to fraction form
    15,735,503,702.64/21,716,232,965.64 = 8,961,608,700.48/x
  3. Step 3: Cross multiply
    15,735,503,702.64x = 21,716,232,965.64 × 8,961,608,700.48
  4. Step 4: Simplify right side
    15,735,503,702.64x = 194,612,382,286,529,986,560
  5. Step 5: Solve for x
    x = 194,612,382,286,529,986,560/15,735,503,702.64
  6. Step 6: Final answer
    x = 12,367,724,984.48

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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.