Home / 20,345,933,339.23-30,520,352,835.93-5,423,020,734.85

Finding the Fourth Proportional to 20,345,933,339.23, 30,520,352,835.93 and 5,423,020,734.85

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Solution

The fourth proportional to 20,345,933,339.23, 30,520,352,835.93 and 5,423,020,734.85 is: 8,134,918,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,345,933,339.23 : 30,520,352,835.93 = 5,423,020,734.85 : x
  2. Step 2: Convert to fraction form
    20,345,933,339.23/30,520,352,835.93 = 5,423,020,734.85/x
  3. Step 3: Cross multiply
    20,345,933,339.23x = 30,520,352,835.93 × 5,423,020,734.85
  4. Step 4: Simplify right side
    20,345,933,339.23x = 165,512,506,264,186,388,480
  5. Step 5: Solve for x
    x = 165,512,506,264,186,388,480/20,345,933,339.23
  6. Step 6: Final answer
    x = 8,134,918,339.92

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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.