Home / 560,071,280.80-840,106,921.20-483,480,791.20

Finding the Fourth Proportional to 560,071,280.80, 840,106,921.20 and 483,480,791.20

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Solution

The fourth proportional to 560,071,280.80, 840,106,921.20 and 483,480,791.20 is: 725,221,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,071,280.80 : 840,106,921.20 = 483,480,791.20 : x
  2. Step 2: Convert to fraction form
    560,071,280.80/840,106,921.20 = 483,480,791.20/x
  3. Step 3: Cross multiply
    560,071,280.80x = 840,106,921.20 × 483,480,791.20
  4. Step 4: Simplify right side
    560,071,280.80x = 406,175,558,954,372,096
  5. Step 5: Solve for x
    x = 406,175,558,954,372,096/560,071,280.80
  6. Step 6: Final answer
    x = 725,221,186.80

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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.