Home / 363,312,706.96-502,027,369.80-258,709,175.72

Finding the Fourth Proportional to 363,312,706.96, 502,027,369.80 and 258,709,175.72

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Solution

The fourth proportional to 363,312,706.96, 502,027,369.80 and 258,709,175.72 is: 357,485,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,312,706.96 : 502,027,369.80 = 258,709,175.72 : x
  2. Step 2: Convert to fraction form
    363,312,706.96/502,027,369.80 = 258,709,175.72/x
  3. Step 3: Cross multiply
    363,312,706.96x = 502,027,369.80 × 258,709,175.72
  4. Step 4: Simplify right side
    363,312,706.96x = 129,879,087,029,837,616
  5. Step 5: Solve for x
    x = 129,879,087,029,837,616/363,312,706.96
  6. Step 6: Final answer
    x = 357,485,671.55

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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.