Home / 28,698,595,613.70-43,047,893,420.55-28,311,612,087.30

Finding the Fourth Proportional to 28,698,595,613.70, 43,047,893,420.55 and 28,311,612,087.30

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Solution

The fourth proportional to 28,698,595,613.70, 43,047,893,420.55 and 28,311,612,087.30 is: 42,467,418,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698,595,613.70 : 43,047,893,420.55 = 28,311,612,087.30 : x
  2. Step 2: Convert to fraction form
    28,698,595,613.70/43,047,893,420.55 = 28,311,612,087.30/x
  3. Step 3: Cross multiply
    28,698,595,613.70x = 43,047,893,420.55 × 28,311,612,087.30
  4. Step 4: Simplify right side
    28,698,595,613.70x = 1,218,755,259,698,045,517,824
  5. Step 5: Solve for x
    x = 1,218,755,259,698,045,517,824/28,698,595,613.70
  6. Step 6: Final answer
    x = 42,467,418,130.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.