Home / 387,994,726.17-535,352,793.01-222,950,409.21

Finding the Fourth Proportional to 387,994,726.17, 535,352,793.01 and 222,950,409.21

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Solution

The fourth proportional to 387,994,726.17, 535,352,793.01 and 222,950,409.21 is: 307,625,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,994,726.17 : 535,352,793.01 = 222,950,409.21 : x
  2. Step 2: Convert to fraction form
    387,994,726.17/535,352,793.01 = 222,950,409.21/x
  3. Step 3: Cross multiply
    387,994,726.17x = 535,352,793.01 × 222,950,409.21
  4. Step 4: Simplify right side
    387,994,726.17x = 119,357,124,272,738,560
  5. Step 5: Solve for x
    x = 119,357,124,272,738,560/387,994,726.17
  6. Step 6: Final answer
    x = 307,625,635.67

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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.