Home / 340,834,143.20-511,251,214.80-231,995,026.40

Finding the Fourth Proportional to 340,834,143.20, 511,251,214.80 and 231,995,026.40

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Solution

The fourth proportional to 340,834,143.20, 511,251,214.80 and 231,995,026.40 is: 347,992,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,834,143.20 : 511,251,214.80 = 231,995,026.40 : x
  2. Step 2: Convert to fraction form
    340,834,143.20/511,251,214.80 = 231,995,026.40/x
  3. Step 3: Cross multiply
    340,834,143.20x = 511,251,214.80 × 231,995,026.40
  4. Step 4: Simplify right side
    340,834,143.20x = 118,607,739,074,558,080
  5. Step 5: Solve for x
    x = 118,607,739,074,558,080/340,834,143.20
  6. Step 6: Final answer
    x = 347,992,539.60

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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.