Home / 554,699,988-765,510,045.91-307,181,342.25

Finding the Fourth Proportional to 554,699,988, 765,510,045.91 and 307,181,342.25

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Solution

The fourth proportional to 554,699,988, 765,510,045.91 and 307,181,342.25 is: 423,923,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,699,988 : 765,510,045.91 = 307,181,342.25 : x
  2. Step 2: Convert to fraction form
    554,699,988/765,510,045.91 = 307,181,342.25/x
  3. Step 3: Cross multiply
    554,699,988x = 765,510,045.91 × 307,181,342.25
  4. Step 4: Simplify right side
    554,699,988x = 235,150,403,407,724,992
  5. Step 5: Solve for x
    x = 235,150,403,407,724,992/554,699,988
  6. Step 6: Final answer
    x = 423,923,577.60

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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.