Home / 253,468,226,807.20-380,202,340,210.80-212,556,623,168.80

Finding the Fourth Proportional to 253,468,226,807.20, 380,202,340,210.80 and 212,556,623,168.80

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Solution

The fourth proportional to 253,468,226,807.20, 380,202,340,210.80 and 212,556,623,168.80 is: 318,834,934,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,468,226,807.20 : 380,202,340,210.80 = 212,556,623,168.80 : x
  2. Step 2: Convert to fraction form
    253,468,226,807.20/380,202,340,210.80 = 212,556,623,168.80/x
  3. Step 3: Cross multiply
    253,468,226,807.20x = 380,202,340,210.80 × 212,556,623,168.80
  4. Step 4: Simplify right side
    253,468,226,807.20x = 80,814,525,556,082,903,875,584
  5. Step 5: Solve for x
    x = 80,814,525,556,082,903,875,584/253,468,226,807.20
  6. Step 6: Final answer
    x = 318,834,934,753.20

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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.