Home / 406,970,008.64-610,458,763.49-115,837,051.83

Finding the Fourth Proportional to 406,970,008.64, 610,458,763.49 and 115,837,051.83

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Solution

The fourth proportional to 406,970,008.64, 610,458,763.49 and 115,837,051.83 is: 173,756,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,970,008.64 : 610,458,763.49 = 115,837,051.83 : x
  2. Step 2: Convert to fraction form
    406,970,008.64/610,458,763.49 = 115,837,051.83/x
  3. Step 3: Cross multiply
    406,970,008.64x = 610,458,763.49 × 115,837,051.83
  4. Step 4: Simplify right side
    406,970,008.64x = 70,713,743,426,468,840
  5. Step 5: Solve for x
    x = 70,713,743,426,468,840/406,970,008.64
  6. Step 6: Final answer
    x = 173,756,645.27

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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.