Home / 443,986,443.60-665,979,665.40-437,183,998.80

Finding the Fourth Proportional to 443,986,443.60, 665,979,665.40 and 437,183,998.80

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Solution

The fourth proportional to 443,986,443.60, 665,979,665.40 and 437,183,998.80 is: 655,775,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,986,443.60 : 665,979,665.40 = 437,183,998.80 : x
  2. Step 2: Convert to fraction form
    443,986,443.60/665,979,665.40 = 437,183,998.80/x
  3. Step 3: Cross multiply
    443,986,443.60x = 665,979,665.40 × 437,183,998.80
  4. Step 4: Simplify right side
    443,986,443.60x = 291,155,653,239,057,984
  5. Step 5: Solve for x
    x = 291,155,653,239,057,984/443,986,443.60
  6. Step 6: Final answer
    x = 655,775,998.20

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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.