Home / 346,462,954.90-478,001,173.40-197,677,189.60

Finding the Fourth Proportional to 346,462,954.90, 478,001,173.40 and 197,677,189.60

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Solution

The fourth proportional to 346,462,954.90, 478,001,173.40 and 197,677,189.60 is: 272,727,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,462,954.90 : 478,001,173.40 = 197,677,189.60 : x
  2. Step 2: Convert to fraction form
    346,462,954.90/478,001,173.40 = 197,677,189.60/x
  3. Step 3: Cross multiply
    346,462,954.90x = 478,001,173.40 × 197,677,189.60
  4. Step 4: Simplify right side
    346,462,954.90x = 94,489,928,583,214,272
  5. Step 5: Solve for x
    x = 94,489,928,583,214,272/346,462,954.90
  6. Step 6: Final answer
    x = 272,727,364.49

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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.