Home / 433,028,706.40-649,543,059.60-429,202,331.20

Finding the Fourth Proportional to 433,028,706.40, 649,543,059.60 and 429,202,331.20

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Solution

The fourth proportional to 433,028,706.40, 649,543,059.60 and 429,202,331.20 is: 643,803,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,028,706.40 : 649,543,059.60 = 429,202,331.20 : x
  2. Step 2: Convert to fraction form
    433,028,706.40/649,543,059.60 = 429,202,331.20/x
  3. Step 3: Cross multiply
    433,028,706.40x = 649,543,059.60 × 429,202,331.20
  4. Step 4: Simplify right side
    433,028,706.40x = 278,785,395,395,100,544
  5. Step 5: Solve for x
    x = 278,785,395,395,100,544/433,028,706.40
  6. Step 6: Final answer
    x = 643,803,496.80

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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.