Home / 433,028,690.40-649,543,035.60-429,202,315.20

Finding the Fourth Proportional to 433,028,690.40, 649,543,035.60 and 429,202,315.20

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Solution

The fourth proportional to 433,028,690.40, 649,543,035.60 and 429,202,315.20 is: 643,803,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,028,690.40 : 649,543,035.60 = 429,202,315.20 : x
  2. Step 2: Convert to fraction form
    433,028,690.40/649,543,035.60 = 429,202,315.20/x
  3. Step 3: Cross multiply
    433,028,690.40x = 649,543,035.60 × 429,202,315.20
  4. Step 4: Simplify right side
    433,028,690.40x = 278,785,374,701,556,032
  5. Step 5: Solve for x
    x = 278,785,374,701,556,032/433,028,690.40
  6. Step 6: Final answer
    x = 643,803,472.80

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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.