Home / 20,798,415,309.68-28,699,391,742.13-11,643,445,460.04

Finding the Fourth Proportional to 20,798,415,309.68, 28,699,391,742.13 and 11,643,445,460.04

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Solution

The fourth proportional to 20,798,415,309.68, 28,699,391,742.13 and 11,643,445,460.04 is: 16,066,599,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,415,309.68 : 28,699,391,742.13 = 11,643,445,460.04 : x
  2. Step 2: Convert to fraction form
    20,798,415,309.68/28,699,391,742.13 = 11,643,445,460.04/x
  3. Step 3: Cross multiply
    20,798,415,309.68x = 28,699,391,742.13 × 11,643,445,460.04
  4. Step 4: Simplify right side
    20,798,415,309.68x = 334,159,802,485,813,084,160
  5. Step 5: Solve for x
    x = 334,159,802,485,813,084,160/20,798,415,309.68
  6. Step 6: Final answer
    x = 16,066,599,186.06

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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.