Home / 790,161,271.92-1,090,489,516.84-437,847,775.38

Finding the Fourth Proportional to 790,161,271.92, 1,090,489,516.84 and 437,847,775.38

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Solution

The fourth proportional to 790,161,271.92, 1,090,489,516.84 and 437,847,775.38 is: 604,267,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,161,271.92 : 1,090,489,516.84 = 437,847,775.38 : x
  2. Step 2: Convert to fraction form
    790,161,271.92/1,090,489,516.84 = 437,847,775.38/x
  3. Step 3: Cross multiply
    790,161,271.92x = 1,090,489,516.84 × 437,847,775.38
  4. Step 4: Simplify right side
    790,161,271.92x = 477,468,409,023,604,992
  5. Step 5: Solve for x
    x = 477,468,409,023,604,992/790,161,271.92
  6. Step 6: Final answer
    x = 604,267,035.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.