Home / 340,992,001.70-511,488,002.55-312,774,452.90

Finding the Fourth Proportional to 340,992,001.70, 511,488,002.55 and 312,774,452.90

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Solution

The fourth proportional to 340,992,001.70, 511,488,002.55 and 312,774,452.90 is: 469,161,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,992,001.70 : 511,488,002.55 = 312,774,452.90 : x
  2. Step 2: Convert to fraction form
    340,992,001.70/511,488,002.55 = 312,774,452.90/x
  3. Step 3: Cross multiply
    340,992,001.70x = 511,488,002.55 × 312,774,452.90
  4. Step 4: Simplify right side
    340,992,001.70x = 159,980,380,162,490,048
  5. Step 5: Solve for x
    x = 159,980,380,162,490,048/340,992,001.70
  6. Step 6: Final answer
    x = 469,161,679.35

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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.