Home / 770,297,939.82-1,063,011,157.05-440,280,164.70

Finding the Fourth Proportional to 770,297,939.82, 1,063,011,157.05 and 440,280,164.70

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Solution

The fourth proportional to 770,297,939.82, 1,063,011,157.05 and 440,280,164.70 is: 607,586,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,297,939.82 : 1,063,011,157.05 = 440,280,164.70 : x
  2. Step 2: Convert to fraction form
    770,297,939.82/1,063,011,157.05 = 440,280,164.70/x
  3. Step 3: Cross multiply
    770,297,939.82x = 1,063,011,157.05 × 440,280,164.70
  4. Step 4: Simplify right side
    770,297,939.82x = 468,022,727,303,911,552
  5. Step 5: Solve for x
    x = 468,022,727,303,911,552/770,297,939.82
  6. Step 6: Final answer
    x = 607,586,627.34

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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.