Home / 426,092,834.14-638,574,226.04-218,822,872.52

Finding the Fourth Proportional to 426,092,834.14, 638,574,226.04 and 218,822,872.52

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Solution

The fourth proportional to 426,092,834.14, 638,574,226.04 and 218,822,872.52 is: 327,944,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,092,834.14 : 638,574,226.04 = 218,822,872.52 : x
  2. Step 2: Convert to fraction form
    426,092,834.14/638,574,226.04 = 218,822,872.52/x
  3. Step 3: Cross multiply
    426,092,834.14x = 638,574,226.04 × 218,822,872.52
  4. Step 4: Simplify right side
    426,092,834.14x = 139,734,646,459,308,576
  5. Step 5: Solve for x
    x = 139,734,646,459,308,576/426,092,834.14
  6. Step 6: Final answer
    x = 327,944,136.26

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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.