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Finding the Fourth Proportional to 511,173,401.60, 765,979,870.72 and 303,502,866.88

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Solution

The fourth proportional to 511,173,401.60, 765,979,870.72 and 303,502,866.88 is: 454,791,047.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,173,401.60 : 765,979,870.72 = 303,502,866.88 : x
  2. Step 2: Convert to fraction form
    511,173,401.60/765,979,870.72 = 303,502,866.88/x
  3. Step 3: Cross multiply
    511,173,401.60x = 765,979,870.72 × 303,502,866.88
  4. Step 4: Simplify right side
    511,173,401.60x = 232,477,086,735,891,776
  5. Step 5: Solve for x
    x = 232,477,086,735,891,776/511,173,401.60
  6. Step 6: Final answer
    x = 454,791,047.44

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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.