Home / 644,034,804.96-888,764,261.04-350,678,673.12

Finding the Fourth Proportional to 644,034,804.96, 888,764,261.04 and 350,678,673.12

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Solution

The fourth proportional to 644,034,804.96, 888,764,261.04 and 350,678,673.12 is: 483,934,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,034,804.96 : 888,764,261.04 = 350,678,673.12 : x
  2. Step 2: Convert to fraction form
    644,034,804.96/888,764,261.04 = 350,678,673.12/x
  3. Step 3: Cross multiply
    644,034,804.96x = 888,764,261.04 × 350,678,673.12
  4. Step 4: Simplify right side
    644,034,804.96x = 311,670,671,777,984,512
  5. Step 5: Solve for x
    x = 311,670,671,777,984,512/644,034,804.96
  6. Step 6: Final answer
    x = 483,934,516.24

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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.