Home / 695,282,092.80-1,042,923,139.20-436,678,965.60

Finding the Fourth Proportional to 695,282,092.80, 1,042,923,139.20 and 436,678,965.60

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Solution

The fourth proportional to 695,282,092.80, 1,042,923,139.20 and 436,678,965.60 is: 655,018,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,282,092.80 : 1,042,923,139.20 = 436,678,965.60 : x
  2. Step 2: Convert to fraction form
    695,282,092.80/1,042,923,139.20 = 436,678,965.60/x
  3. Step 3: Cross multiply
    695,282,092.80x = 1,042,923,139.20 × 436,678,965.60
  4. Step 4: Simplify right side
    695,282,092.80x = 455,422,597,626,160,832
  5. Step 5: Solve for x
    x = 455,422,597,626,160,832/695,282,092.80
  6. Step 6: Final answer
    x = 655,018,448.40

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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.