Home / 470,353,039.84-649,123,553.44-282,188,415.04

Finding the Fourth Proportional to 470,353,039.84, 649,123,553.44 and 282,188,415.04

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Solution

The fourth proportional to 470,353,039.84, 649,123,553.44 and 282,188,415.04 is: 389,441,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,353,039.84 : 649,123,553.44 = 282,188,415.04 : x
  2. Step 2: Convert to fraction form
    470,353,039.84/649,123,553.44 = 282,188,415.04/x
  3. Step 3: Cross multiply
    470,353,039.84x = 649,123,553.44 × 282,188,415.04
  4. Step 4: Simplify right side
    470,353,039.84x = 183,175,146,710,366,368
  5. Step 5: Solve for x
    x = 183,175,146,710,366,368/470,353,039.84
  6. Step 6: Final answer
    x = 389,441,826.02

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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.