Home / 346,462,960.90-478,001,181.68-197,677,195.60

Finding the Fourth Proportional to 346,462,960.90, 478,001,181.68 and 197,677,195.60

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Solution

The fourth proportional to 346,462,960.90, 478,001,181.68 and 197,677,195.60 is: 272,727,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,462,960.90 : 478,001,181.68 = 197,677,195.60 : x
  2. Step 2: Convert to fraction form
    346,462,960.90/478,001,181.68 = 197,677,195.60/x
  3. Step 3: Cross multiply
    346,462,960.90x = 478,001,181.68 × 197,677,195.60
  4. Step 4: Simplify right side
    346,462,960.90x = 94,489,933,087,988,496
  5. Step 5: Solve for x
    x = 94,489,933,087,988,496/346,462,960.90
  6. Step 6: Final answer
    x = 272,727,372.77

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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.