Home / 4,979,799,056.70-7,469,698,585.05-1,299,304,411.20

Finding the Fourth Proportional to 4,979,799,056.70, 7,469,698,585.05 and 1,299,304,411.20

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Solution

The fourth proportional to 4,979,799,056.70, 7,469,698,585.05 and 1,299,304,411.20 is: 1,948,956,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,799,056.70 : 7,469,698,585.05 = 1,299,304,411.20 : x
  2. Step 2: Convert to fraction form
    4,979,799,056.70/7,469,698,585.05 = 1,299,304,411.20/x
  3. Step 3: Cross multiply
    4,979,799,056.70x = 7,469,698,585.05 × 1,299,304,411.20
  4. Step 4: Simplify right side
    4,979,799,056.70x = 9,705,412,321,889,863,680
  5. Step 5: Solve for x
    x = 9,705,412,321,889,863,680/4,979,799,056.70
  6. Step 6: Final answer
    x = 1,948,956,616.80

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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.