Home / 644,034,834.96-888,764,302.44-350,678,703.12

Finding the Fourth Proportional to 644,034,834.96, 888,764,302.44 and 350,678,703.12

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Solution

The fourth proportional to 644,034,834.96, 888,764,302.44 and 350,678,703.12 is: 483,934,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,034,834.96 : 888,764,302.44 = 350,678,703.12 : x
  2. Step 2: Convert to fraction form
    644,034,834.96/888,764,302.44 = 350,678,703.12/x
  3. Step 3: Cross multiply
    644,034,834.96x = 888,764,302.44 × 350,678,703.12
  4. Step 4: Simplify right side
    644,034,834.96x = 311,670,712,959,010,688
  5. Step 5: Solve for x
    x = 311,670,712,959,010,688/644,034,834.96
  6. Step 6: Final answer
    x = 483,934,557.64

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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.