Home / 683,538,653.57-943,435,090.58-415,557,543.55

Finding the Fourth Proportional to 683,538,653.57, 943,435,090.58 and 415,557,543.55

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Solution

The fourth proportional to 683,538,653.57, 943,435,090.58 and 415,557,543.55 is: 573,561,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,538,653.57 : 943,435,090.58 = 415,557,543.55 : x
  2. Step 2: Convert to fraction form
    683,538,653.57/943,435,090.58 = 415,557,543.55/x
  3. Step 3: Cross multiply
    683,538,653.57x = 943,435,090.58 × 415,557,543.55
  4. Step 4: Simplify right side
    683,538,653.57x = 392,051,568,742,514,688
  5. Step 5: Solve for x
    x = 392,051,568,742,514,688/683,538,653.57
  6. Step 6: Final answer
    x = 573,561,665.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.