Home / 704,768,007.20-1,057,152,010.80-659,418,375.20

Finding the Fourth Proportional to 704,768,007.20, 1,057,152,010.80 and 659,418,375.20

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Solution

The fourth proportional to 704,768,007.20, 1,057,152,010.80 and 659,418,375.20 is: 989,127,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,768,007.20 : 1,057,152,010.80 = 659,418,375.20 : x
  2. Step 2: Convert to fraction form
    704,768,007.20/1,057,152,010.80 = 659,418,375.20/x
  3. Step 3: Cross multiply
    704,768,007.20x = 1,057,152,010.80 × 659,418,375.20
  4. Step 4: Simplify right side
    704,768,007.20x = 697,105,461,301,148,928
  5. Step 5: Solve for x
    x = 697,105,461,301,148,928/704,768,007.20
  6. Step 6: Final answer
    x = 989,127,562.80

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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.