Home / 253,468,225,390.20-380,202,338,085.30-212,556,621,751.80

Finding the Fourth Proportional to 253,468,225,390.20, 380,202,338,085.30 and 212,556,621,751.80

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Solution

The fourth proportional to 253,468,225,390.20, 380,202,338,085.30 and 212,556,621,751.80 is: 318,834,932,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,468,225,390.20 : 380,202,338,085.30 = 212,556,621,751.80 : x
  2. Step 2: Convert to fraction form
    253,468,225,390.20/380,202,338,085.30 = 212,556,621,751.80/x
  3. Step 3: Cross multiply
    253,468,225,390.20x = 380,202,338,085.30 × 212,556,621,751.80
  4. Step 4: Simplify right side
    253,468,225,390.20x = 80,814,524,565,547,095,425,024
  5. Step 5: Solve for x
    x = 80,814,524,565,547,095,425,024/253,468,225,390.20
  6. Step 6: Final answer
    x = 318,834,932,627.70

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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.