Home / 510,242,701.13-703,758,961.54-384,800,177.40

Finding the Fourth Proportional to 510,242,701.13, 703,758,961.54 and 384,800,177.40

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Solution

The fourth proportional to 510,242,701.13, 703,758,961.54 and 384,800,177.40 is: 530,740,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,242,701.13 : 703,758,961.54 = 384,800,177.40 : x
  2. Step 2: Convert to fraction form
    510,242,701.13/703,758,961.54 = 384,800,177.40/x
  3. Step 3: Cross multiply
    510,242,701.13x = 703,758,961.54 × 384,800,177.40
  4. Step 4: Simplify right side
    510,242,701.13x = 270,806,573,247,431,744
  5. Step 5: Solve for x
    x = 270,806,573,247,431,744/510,242,701.13
  6. Step 6: Final answer
    x = 530,740,709.56

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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.