Home / 1,254,497,554.91-1,731,135,551.77-697,568,644.55

Finding the Fourth Proportional to 1,254,497,554.91, 1,731,135,551.77 and 697,568,644.55

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Solution

The fourth proportional to 1,254,497,554.91, 1,731,135,551.77 and 697,568,644.55 is: 962,605,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,497,554.91 : 1,731,135,551.77 = 697,568,644.55 : x
  2. Step 2: Convert to fraction form
    1,254,497,554.91/1,731,135,551.77 = 697,568,644.55/x
  3. Step 3: Cross multiply
    1,254,497,554.91x = 1,731,135,551.77 × 697,568,644.55
  4. Step 4: Simplify right side
    1,254,497,554.91x = 1,207,585,880,380,515,072
  5. Step 5: Solve for x
    x = 1,207,585,880,380,515,072/1,254,497,554.91
  6. Step 6: Final answer
    x = 962,605,208.48

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Double scale
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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.