Home / 1,390,802,733.36-2,086,526,786.67-458,092,109.86

Finding the Fourth Proportional to 1,390,802,733.36, 2,086,526,786.67 and 458,092,109.86

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Solution

The fourth proportional to 1,390,802,733.36, 2,086,526,786.67 and 458,092,109.86 is: 687,244,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,802,733.36 : 2,086,526,786.67 = 458,092,109.86 : x
  2. Step 2: Convert to fraction form
    1,390,802,733.36/2,086,526,786.67 = 458,092,109.86/x
  3. Step 3: Cross multiply
    1,390,802,733.36x = 2,086,526,786.67 × 458,092,109.86
  4. Step 4: Simplify right side
    1,390,802,733.36x = 955,821,457,985,066,496
  5. Step 5: Solve for x
    x = 955,821,457,985,066,496/1,390,802,733.36
  6. Step 6: Final answer
    x = 687,244,448.88

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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.