Home / 398,834,350.57-550,483,236.84-233,875,064.17

Finding the Fourth Proportional to 398,834,350.57, 550,483,236.84 and 233,875,064.17

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Solution

The fourth proportional to 398,834,350.57, 550,483,236.84 and 233,875,064.17 is: 322,801,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,834,350.57 : 550,483,236.84 = 233,875,064.17 : x
  2. Step 2: Convert to fraction form
    398,834,350.57/550,483,236.84 = 233,875,064.17/x
  3. Step 3: Cross multiply
    398,834,350.57x = 550,483,236.84 × 233,875,064.17
  4. Step 4: Simplify right side
    398,834,350.57x = 128,744,302,342,026,288
  5. Step 5: Solve for x
    x = 128,744,302,342,026,288/398,834,350.57
  6. Step 6: Final answer
    x = 322,801,439.14

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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.