Home / 746,401,132.80-1,119,601,699.20-474,975,187.20

Finding the Fourth Proportional to 746,401,132.80, 1,119,601,699.20 and 474,975,187.20

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Solution

The fourth proportional to 746,401,132.80, 1,119,601,699.20 and 474,975,187.20 is: 712,462,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,401,132.80 : 1,119,601,699.20 = 474,975,187.20 : x
  2. Step 2: Convert to fraction form
    746,401,132.80/1,119,601,699.20 = 474,975,187.20/x
  3. Step 3: Cross multiply
    746,401,132.80x = 1,119,601,699.20 × 474,975,187.20
  4. Step 4: Simplify right side
    746,401,132.80x = 531,783,026,666,958,080
  5. Step 5: Solve for x
    x = 531,783,026,666,958,080/746,401,132.80
  6. Step 6: Final answer
    x = 712,462,780.80

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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.