Home / 359,530,789,888.44-538,545,718,734.84-215,653,528,350.72

Finding the Fourth Proportional to 359,530,789,888.44, 538,545,718,734.84 and 215,653,528,350.72

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Solution

The fourth proportional to 359,530,789,888.44, 538,545,718,734.84 and 215,653,528,350.72 is: 323,030,148,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,530,789,888.44 : 538,545,718,734.84 = 215,653,528,350.72 : x
  2. Step 2: Convert to fraction form
    359,530,789,888.44/538,545,718,734.84 = 215,653,528,350.72/x
  3. Step 3: Cross multiply
    359,530,789,888.44x = 538,545,718,734.84 × 215,653,528,350.72
  4. Step 4: Simplify right side
    359,530,789,888.44x = 116,139,284,423,342,695,645,184
  5. Step 5: Solve for x
    x = 116,139,284,423,342,695,645,184/359,530,789,888.44
  6. Step 6: Final answer
    x = 323,030,148,431.46

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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.