Home / 751,056,051.51-1,036,519,398.78-416,636,394.90

Finding the Fourth Proportional to 751,056,051.51, 1,036,519,398.78 and 416,636,394.90

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Solution

The fourth proportional to 751,056,051.51, 1,036,519,398.78 and 416,636,394.90 is: 574,992,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,056,051.51 : 1,036,519,398.78 = 416,636,394.90 : x
  2. Step 2: Convert to fraction form
    751,056,051.51/1,036,519,398.78 = 416,636,394.90/x
  3. Step 3: Cross multiply
    751,056,051.51x = 1,036,519,398.78 × 416,636,394.90
  4. Step 4: Simplify right side
    751,056,051.51x = 431,851,705,551,614,592
  5. Step 5: Solve for x
    x = 431,851,705,551,614,592/751,056,051.51
  6. Step 6: Final answer
    x = 574,992,644.93

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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.