Home / 20,798,415,310.68-28,699,391,743.51-11,643,445,461.04

Finding the Fourth Proportional to 20,798,415,310.68, 28,699,391,743.51 and 11,643,445,461.04

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Solution

The fourth proportional to 20,798,415,310.68, 28,699,391,743.51 and 11,643,445,461.04 is: 16,066,599,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,415,310.68 : 28,699,391,743.51 = 11,643,445,461.04 : x
  2. Step 2: Convert to fraction form
    20,798,415,310.68/28,699,391,743.51 = 11,643,445,461.04/x
  3. Step 3: Cross multiply
    20,798,415,310.68x = 28,699,391,743.51 × 11,643,445,461.04
  4. Step 4: Simplify right side
    20,798,415,310.68x = 334,159,802,530,580,398,080
  5. Step 5: Solve for x
    x = 334,159,802,530,580,398,080/20,798,415,310.68
  6. Step 6: Final answer
    x = 16,066,599,187.44

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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.