Home / 514,941,924.42-710,614,919.88-279,992,667.54

Finding the Fourth Proportional to 514,941,924.42, 710,614,919.88 and 279,992,667.54

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Solution

The fourth proportional to 514,941,924.42, 710,614,919.88 and 279,992,667.54 is: 386,387,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,941,924.42 : 710,614,919.88 = 279,992,667.54 : x
  2. Step 2: Convert to fraction form
    514,941,924.42/710,614,919.88 = 279,992,667.54/x
  3. Step 3: Cross multiply
    514,941,924.42x = 710,614,919.88 × 279,992,667.54
  4. Step 4: Simplify right side
    514,941,924.42x = 198,966,967,010,924,576
  5. Step 5: Solve for x
    x = 198,966,967,010,924,576/514,941,924.42
  6. Step 6: Final answer
    x = 386,387,197.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.