Home / 618,677,312.58-853,790,872.55-336,436,260.59

Finding the Fourth Proportional to 618,677,312.58, 853,790,872.55 and 336,436,260.59

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Solution

The fourth proportional to 618,677,312.58, 853,790,872.55 and 336,436,260.59 is: 464,290,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,677,312.58 : 853,790,872.55 = 336,436,260.59 : x
  2. Step 2: Convert to fraction form
    618,677,312.58/853,790,872.55 = 336,436,260.59/x
  3. Step 3: Cross multiply
    618,677,312.58x = 853,790,872.55 × 336,436,260.59
  4. Step 4: Simplify right side
    618,677,312.58x = 287,246,208,484,486,944
  5. Step 5: Solve for x
    x = 287,246,208,484,486,944/618,677,312.58
  6. Step 6: Final answer
    x = 464,290,838.93

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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.