Home / 1,208,304,281.70-1,812,456,422.55-1,072,143,411.30

Finding the Fourth Proportional to 1,208,304,281.70, 1,812,456,422.55 and 1,072,143,411.30

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Solution

The fourth proportional to 1,208,304,281.70, 1,812,456,422.55 and 1,072,143,411.30 is: 1,608,215,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,304,281.70 : 1,812,456,422.55 = 1,072,143,411.30 : x
  2. Step 2: Convert to fraction form
    1,208,304,281.70/1,812,456,422.55 = 1,072,143,411.30/x
  3. Step 3: Cross multiply
    1,208,304,281.70x = 1,812,456,422.55 × 1,072,143,411.30
  4. Step 4: Simplify right side
    1,208,304,281.70x = 1,943,213,211,705,351,168
  5. Step 5: Solve for x
    x = 1,943,213,211,705,351,168/1,208,304,281.70
  6. Step 6: Final answer
    x = 1,608,215,116.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.