Home / 1,260,864,033.80-1,891,296,050.70-777,134,625.80

Finding the Fourth Proportional to 1,260,864,033.80, 1,891,296,050.70 and 777,134,625.80

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Solution

The fourth proportional to 1,260,864,033.80, 1,891,296,050.70 and 777,134,625.80 is: 1,165,701,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,864,033.80 : 1,891,296,050.70 = 777,134,625.80 : x
  2. Step 2: Convert to fraction form
    1,260,864,033.80/1,891,296,050.70 = 777,134,625.80/x
  3. Step 3: Cross multiply
    1,260,864,033.80x = 1,891,296,050.70 × 777,134,625.80
  4. Step 4: Simplify right side
    1,260,864,033.80x = 1,469,791,648,637,762,304
  5. Step 5: Solve for x
    x = 1,469,791,648,637,762,304/1,260,864,033.80
  6. Step 6: Final answer
    x = 1,165,701,938.70

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Double scale
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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.