Home / 1,275,563,252.72-1,760,277,274.45-688,852,388.72

Finding the Fourth Proportional to 1,275,563,252.72, 1,760,277,274.45 and 688,852,388.72

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Solution

The fourth proportional to 1,275,563,252.72, 1,760,277,274.45 and 688,852,388.72 is: 950,616,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,563,252.72 : 1,760,277,274.45 = 688,852,388.72 : x
  2. Step 2: Convert to fraction form
    1,275,563,252.72/1,760,277,274.45 = 688,852,388.72/x
  3. Step 3: Cross multiply
    1,275,563,252.72x = 1,760,277,274.45 × 688,852,388.72
  4. Step 4: Simplify right side
    1,275,563,252.72x = 1,212,571,205,303,890,176
  5. Step 5: Solve for x
    x = 1,212,571,205,303,890,176/1,275,563,252.72
  6. Step 6: Final answer
    x = 950,616,288.70

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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.