Home / 398,834,353.29-550,483,240.55-233,875,066.89

Finding the Fourth Proportional to 398,834,353.29, 550,483,240.55 and 233,875,066.89

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Solution

The fourth proportional to 398,834,353.29, 550,483,240.55 and 233,875,066.89 is: 322,801,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,834,353.29 : 550,483,240.55 = 233,875,066.89 : x
  2. Step 2: Convert to fraction form
    398,834,353.29/550,483,240.55 = 233,875,066.89/x
  3. Step 3: Cross multiply
    398,834,353.29x = 550,483,240.55 × 233,875,066.89
  4. Step 4: Simplify right side
    398,834,353.29x = 128,744,304,705,455,184
  5. Step 5: Solve for x
    x = 128,744,304,705,455,184/398,834,353.29
  6. Step 6: Final answer
    x = 322,801,442.86

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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.