Home / 1,275,563,257.59-1,760,277,281.18-688,852,393.59

Finding the Fourth Proportional to 1,275,563,257.59, 1,760,277,281.18 and 688,852,393.59

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Solution

The fourth proportional to 1,275,563,257.59, 1,760,277,281.18 and 688,852,393.59 is: 950,616,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,563,257.59 : 1,760,277,281.18 = 688,852,393.59 : x
  2. Step 2: Convert to fraction form
    1,275,563,257.59/1,760,277,281.18 = 688,852,393.59/x
  3. Step 3: Cross multiply
    1,275,563,257.59x = 1,760,277,281.18 × 688,852,393.59
  4. Step 4: Simplify right side
    1,275,563,257.59x = 1,212,571,218,519,496,192
  5. Step 5: Solve for x
    x = 1,212,571,218,519,496,192/1,275,563,257.59
  6. Step 6: Final answer
    x = 950,616,295.43

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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.