Home / 707,755,942.40-1,061,463,600.28-216,473,453.78

Finding the Fourth Proportional to 707,755,942.40, 1,061,463,600.28 and 216,473,453.78

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Solution

The fourth proportional to 707,755,942.40, 1,061,463,600.28 and 216,473,453.78 is: 324,658,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,755,942.40 : 1,061,463,600.28 = 216,473,453.78 : x
  2. Step 2: Convert to fraction form
    707,755,942.40/1,061,463,600.28 = 216,473,453.78/x
  3. Step 3: Cross multiply
    707,755,942.40x = 1,061,463,600.28 × 216,473,453.78
  4. Step 4: Simplify right side
    707,755,942.40x = 229,778,691,614,364,960
  5. Step 5: Solve for x
    x = 229,778,691,614,364,960/707,755,942.40
  6. Step 6: Final answer
    x = 324,658,088.83

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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.