Home / 365,081,428.40-503,812,814.04-197,817,557.56

Finding the Fourth Proportional to 365,081,428.40, 503,812,814.04 and 197,817,557.56

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Solution

The fourth proportional to 365,081,428.40, 503,812,814.04 and 197,817,557.56 is: 272,988,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,081,428.40 : 503,812,814.04 = 197,817,557.56 : x
  2. Step 2: Convert to fraction form
    365,081,428.40/503,812,814.04 = 197,817,557.56/x
  3. Step 3: Cross multiply
    365,081,428.40x = 503,812,814.04 × 197,817,557.56
  4. Step 4: Simplify right side
    365,081,428.40x = 99,663,020,340,823,280
  5. Step 5: Solve for x
    x = 99,663,020,340,823,280/365,081,428.40
  6. Step 6: Final answer
    x = 272,988,469.39

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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.