Home / 19,407,388,617.40-29,111,082,926.10-18,645,514,799.80

Finding the Fourth Proportional to 19,407,388,617.40, 29,111,082,926.10 and 18,645,514,799.80

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Solution

The fourth proportional to 19,407,388,617.40, 29,111,082,926.10 and 18,645,514,799.80 is: 27,968,272,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407,388,617.40 : 29,111,082,926.10 = 18,645,514,799.80 : x
  2. Step 2: Convert to fraction form
    19,407,388,617.40/29,111,082,926.10 = 18,645,514,799.80/x
  3. Step 3: Cross multiply
    19,407,388,617.40x = 29,111,082,926.10 × 18,645,514,799.80
  4. Step 4: Simplify right side
    19,407,388,617.40x = 542,791,127,536,802,594,816
  5. Step 5: Solve for x
    x = 542,791,127,536,802,594,816/19,407,388,617.40
  6. Step 6: Final answer
    x = 27,968,272,199.70

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Double scale
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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.