Home / 776,950,911.20-1,165,426,366.80-741,119,103.20

Finding the Fourth Proportional to 776,950,911.20, 1,165,426,366.80 and 741,119,103.20

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Solution

The fourth proportional to 776,950,911.20, 1,165,426,366.80 and 741,119,103.20 is: 1,111,678,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,950,911.20 : 1,165,426,366.80 = 741,119,103.20 : x
  2. Step 2: Convert to fraction form
    776,950,911.20/1,165,426,366.80 = 741,119,103.20/x
  3. Step 3: Cross multiply
    776,950,911.20x = 1,165,426,366.80 × 741,119,103.20
  4. Step 4: Simplify right side
    776,950,911.20x = 863,719,743,808,450,304
  5. Step 5: Solve for x
    x = 863,719,743,808,450,304/776,950,911.20
  6. Step 6: Final answer
    x = 1,111,678,654.80

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1.5x scale

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.