Home / 434,558,143.80-651,837,215.70-296,808,636.60

Finding the Fourth Proportional to 434,558,143.80, 651,837,215.70 and 296,808,636.60

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Solution

The fourth proportional to 434,558,143.80, 651,837,215.70 and 296,808,636.60 is: 445,212,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,558,143.80 : 651,837,215.70 = 296,808,636.60 : x
  2. Step 2: Convert to fraction form
    434,558,143.80/651,837,215.70 = 296,808,636.60/x
  3. Step 3: Cross multiply
    434,558,143.80x = 651,837,215.70 × 296,808,636.60
  4. Step 4: Simplify right side
    434,558,143.80x = 193,470,915,277,057,152
  5. Step 5: Solve for x
    x = 193,470,915,277,057,152/434,558,143.80
  6. Step 6: Final answer
    x = 445,212,954.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.