Home / 612,298,279.20-918,447,418.80-223,992,055.20

Finding the Fourth Proportional to 612,298,279.20, 918,447,418.80 and 223,992,055.20

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Solution

The fourth proportional to 612,298,279.20, 918,447,418.80 and 223,992,055.20 is: 335,988,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,298,279.20 : 918,447,418.80 = 223,992,055.20 : x
  2. Step 2: Convert to fraction form
    612,298,279.20/918,447,418.80 = 223,992,055.20/x
  3. Step 3: Cross multiply
    612,298,279.20x = 918,447,418.80 × 223,992,055.20
  4. Step 4: Simplify right side
    612,298,279.20x = 205,724,924,930,147,104
  5. Step 5: Solve for x
    x = 205,724,924,930,147,104/612,298,279.20
  6. Step 6: Final answer
    x = 335,988,082.80

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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.