Home / 398,834,458.88-550,483,386.26-233,875,172.48

Finding the Fourth Proportional to 398,834,458.88, 550,483,386.26 and 233,875,172.48

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Solution

The fourth proportional to 398,834,458.88, 550,483,386.26 and 233,875,172.48 is: 322,801,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,834,458.88 : 550,483,386.26 = 233,875,172.48 : x
  2. Step 2: Convert to fraction form
    398,834,458.88/550,483,386.26 = 233,875,172.48/x
  3. Step 3: Cross multiply
    398,834,458.88x = 550,483,386.26 × 233,875,172.48
  4. Step 4: Simplify right side
    398,834,458.88x = 128,744,396,908,931,952
  5. Step 5: Solve for x
    x = 128,744,396,908,931,952/398,834,458.88
  6. Step 6: Final answer
    x = 322,801,588.59

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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.