Home / 339,816,030.40-508,968,218.40-279,349,854.40

Finding the Fourth Proportional to 339,816,030.40, 508,968,218.40 and 279,349,854.40

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Solution

The fourth proportional to 339,816,030.40, 508,968,218.40 and 279,349,854.40 is: 418,403,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,816,030.40 : 508,968,218.40 = 279,349,854.40 : x
  2. Step 2: Convert to fraction form
    339,816,030.40/508,968,218.40 = 279,349,854.40/x
  3. Step 3: Cross multiply
    339,816,030.40x = 508,968,218.40 × 279,349,854.40
  4. Step 4: Simplify right side
    339,816,030.40x = 142,180,197,704,267,376
  5. Step 5: Solve for x
    x = 142,180,197,704,267,376/339,816,030.40
  6. Step 6: Final answer
    x = 418,403,444.76

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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.