Home / 1,275,563,265.60-1,760,277,292.24-688,852,401.60

Finding the Fourth Proportional to 1,275,563,265.60, 1,760,277,292.24 and 688,852,401.60

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Solution

The fourth proportional to 1,275,563,265.60, 1,760,277,292.24 and 688,852,401.60 is: 950,616,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,563,265.60 : 1,760,277,292.24 = 688,852,401.60 : x
  2. Step 2: Convert to fraction form
    1,275,563,265.60/1,760,277,292.24 = 688,852,401.60/x
  3. Step 3: Cross multiply
    1,275,563,265.60x = 1,760,277,292.24 × 688,852,401.60
  4. Step 4: Simplify right side
    1,275,563,265.60x = 1,212,571,240,241,469,184
  5. Step 5: Solve for x
    x = 1,212,571,240,241,469,184/1,275,563,265.60
  6. Step 6: Final answer
    x = 950,616,306.49

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Double scale
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1.5x scale

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.