Home / 671,926,513.60-1,007,889,770.40-557,135,257.60

Finding the Fourth Proportional to 671,926,513.60, 1,007,889,770.40 and 557,135,257.60

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Solution

The fourth proportional to 671,926,513.60, 1,007,889,770.40 and 557,135,257.60 is: 835,702,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,926,513.60 : 1,007,889,770.40 = 557,135,257.60 : x
  2. Step 2: Convert to fraction form
    671,926,513.60/1,007,889,770.40 = 557,135,257.60/x
  3. Step 3: Cross multiply
    671,926,513.60x = 1,007,889,770.40 × 557,135,257.60
  4. Step 4: Simplify right side
    671,926,513.60x = 561,530,926,864,208,896
  5. Step 5: Solve for x
    x = 561,530,926,864,208,896/671,926,513.60
  6. Step 6: Final answer
    x = 835,702,886.40

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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.