Home / 1,865,031,438.39-2,797,508,740.91-621,552,204.51

Finding the Fourth Proportional to 1,865,031,438.39, 2,797,508,740.91 and 621,552,204.51

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Solution

The fourth proportional to 1,865,031,438.39, 2,797,508,740.91 and 621,552,204.51 is: 932,315,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,031,438.39 : 2,797,508,740.91 = 621,552,204.51 : x
  2. Step 2: Convert to fraction form
    1,865,031,438.39/2,797,508,740.91 = 621,552,204.51/x
  3. Step 3: Cross multiply
    1,865,031,438.39x = 2,797,508,740.91 × 621,552,204.51
  4. Step 4: Simplify right side
    1,865,031,438.39x = 1,738,797,725,045,497,344
  5. Step 5: Solve for x
    x = 1,738,797,725,045,497,344/1,865,031,438.39
  6. Step 6: Final answer
    x = 932,315,503.78

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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.