Home / 2,229,560,310.56-3,076,618,938-1,239,425,434.40

Finding the Fourth Proportional to 2,229,560,310.56, 3,076,618,938 and 1,239,425,434.40

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Solution

The fourth proportional to 2,229,560,310.56, 3,076,618,938 and 1,239,425,434.40 is: 1,710,310,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,560,310.56 : 3,076,618,938 = 1,239,425,434.40 : x
  2. Step 2: Convert to fraction form
    2,229,560,310.56/3,076,618,938 = 1,239,425,434.40/x
  3. Step 3: Cross multiply
    2,229,560,310.56x = 3,076,618,938 × 1,239,425,434.40
  4. Step 4: Simplify right side
    2,229,560,310.56x = 3,813,239,763,713,916,928
  5. Step 5: Solve for x
    x = 3,813,239,763,713,916,928/2,229,560,310.56
  6. Step 6: Final answer
    x = 1,710,310,210.34

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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.