Home / 340,992,035.20-511,488,052.80-312,774,486.40

Finding the Fourth Proportional to 340,992,035.20, 511,488,052.80 and 312,774,486.40

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Solution

The fourth proportional to 340,992,035.20, 511,488,052.80 and 312,774,486.40 is: 469,161,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,992,035.20 : 511,488,052.80 = 312,774,486.40 : x
  2. Step 2: Convert to fraction form
    340,992,035.20/511,488,052.80 = 312,774,486.40/x
  3. Step 3: Cross multiply
    340,992,035.20x = 511,488,052.80 × 312,774,486.40
  4. Step 4: Simplify right side
    340,992,035.20x = 159,980,413,014,256,064
  5. Step 5: Solve for x
    x = 159,980,413,014,256,064/340,992,035.20
  6. Step 6: Final answer
    x = 469,161,729.60

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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.