Home / 436,616,086.80-654,924,130.20-289,300,641.60

Finding the Fourth Proportional to 436,616,086.80, 654,924,130.20 and 289,300,641.60

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Solution

The fourth proportional to 436,616,086.80, 654,924,130.20 and 289,300,641.60 is: 433,950,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,616,086.80 : 654,924,130.20 = 289,300,641.60 : x
  2. Step 2: Convert to fraction form
    436,616,086.80/654,924,130.20 = 289,300,641.60/x
  3. Step 3: Cross multiply
    436,616,086.80x = 654,924,130.20 × 289,300,641.60
  4. Step 4: Simplify right side
    436,616,086.80x = 189,469,971,066,181,952
  5. Step 5: Solve for x
    x = 189,469,971,066,181,952/436,616,086.80
  6. Step 6: Final answer
    x = 433,950,962.40

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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.