Home / 387,994,814.68-535,352,916.54-222,950,497.72

Finding the Fourth Proportional to 387,994,814.68, 535,352,916.54 and 222,950,497.72

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Solution

The fourth proportional to 387,994,814.68, 535,352,916.54 and 222,950,497.72 is: 307,625,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,994,814.68 : 535,352,916.54 = 222,950,497.72 : x
  2. Step 2: Convert to fraction form
    387,994,814.68/535,352,916.54 = 222,950,497.72/x
  3. Step 3: Cross multiply
    387,994,814.68x = 535,352,916.54 × 222,950,497.72
  4. Step 4: Simplify right side
    387,994,814.68x = 119,357,199,198,446,624
  5. Step 5: Solve for x
    x = 119,357,199,198,446,624/387,994,814.68
  6. Step 6: Final answer
    x = 307,625,758.60

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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.