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Finding the Fourth Proportional to 326,748,829.60, 458,596,274 and 326,748,829.60

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Solution

The fourth proportional to 326,748,829.60, 458,596,274 and 326,748,829.60 is: 458,596,274

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,748,829.60 : 458,596,274 = 326,748,829.60 : x
  2. Step 2: Convert to fraction form
    326,748,829.60/458,596,274 = 326,748,829.60/x
  3. Step 3: Cross multiply
    326,748,829.60x = 458,596,274 × 326,748,829.60
  4. Step 4: Simplify right side
    326,748,829.60x = 149,845,795,788,420,928
  5. Step 5: Solve for x
    x = 149,845,795,788,420,928/326,748,829.60
  6. Step 6: Final answer
    x = 458,596,274

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.