Home / 346,462,954.40-478,001,172.70-197,677,189.10

Finding the Fourth Proportional to 346,462,954.40, 478,001,172.70 and 197,677,189.10

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Solution

The fourth proportional to 346,462,954.40, 478,001,172.70 and 197,677,189.10 is: 272,727,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,462,954.40 : 478,001,172.70 = 197,677,189.10 : x
  2. Step 2: Convert to fraction form
    346,462,954.40/478,001,172.70 = 197,677,189.10/x
  3. Step 3: Cross multiply
    346,462,954.40x = 478,001,172.70 × 197,677,189.10
  4. Step 4: Simplify right side
    346,462,954.40x = 94,489,928,205,839,648
  5. Step 5: Solve for x
    x = 94,489,928,205,839,648/346,462,954.40
  6. Step 6: Final answer
    x = 272,727,363.79

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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.