Home / 359,530,778,795.68-538,545,702,199.40-215,653,517,274.32

Finding the Fourth Proportional to 359,530,778,795.68, 538,545,702,199.40 and 215,653,517,274.32

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Solution

The fourth proportional to 359,530,778,795.68, 538,545,702,199.40 and 215,653,517,274.32 is: 323,030,131,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,530,778,795.68 : 538,545,702,199.40 = 215,653,517,274.32 : x
  2. Step 2: Convert to fraction form
    359,530,778,795.68/538,545,702,199.40 = 215,653,517,274.32/x
  3. Step 3: Cross multiply
    359,530,778,795.68x = 538,545,702,199.40 × 215,653,517,274.32
  4. Step 4: Simplify right side
    359,530,778,795.68x = 116,139,274,892,269,116,719,104
  5. Step 5: Solve for x
    x = 116,139,274,892,269,116,719,104/359,530,778,795.68
  6. Step 6: Final answer
    x = 323,030,131,888.29

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1.5x scale

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.