Home / 510,049,853.10-765,074,779.65-305,976,509.10

Finding the Fourth Proportional to 510,049,853.10, 765,074,779.65 and 305,976,509.10

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Solution

The fourth proportional to 510,049,853.10, 765,074,779.65 and 305,976,509.10 is: 458,964,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,049,853.10 : 765,074,779.65 = 305,976,509.10 : x
  2. Step 2: Convert to fraction form
    510,049,853.10/765,074,779.65 = 305,976,509.10/x
  3. Step 3: Cross multiply
    510,049,853.10x = 765,074,779.65 × 305,976,509.10
  4. Step 4: Simplify right side
    510,049,853.10x = 234,094,910,277,758,720
  5. Step 5: Solve for x
    x = 234,094,910,277,758,720/510,049,853.10
  6. Step 6: Final answer
    x = 458,964,763.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.