Home / 1,261,234,191.75-1,891,844,405.88-514,247,033.01

Finding the Fourth Proportional to 1,261,234,191.75, 1,891,844,405.88 and 514,247,033.01

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Solution

The fourth proportional to 1,261,234,191.75, 1,891,844,405.88 and 514,247,033.01 is: 771,367,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,234,191.75 : 1,891,844,405.88 = 514,247,033.01 : x
  2. Step 2: Convert to fraction form
    1,261,234,191.75/1,891,844,405.88 = 514,247,033.01/x
  3. Step 3: Cross multiply
    1,261,234,191.75x = 1,891,844,405.88 × 514,247,033.01
  4. Step 4: Simplify right side
    1,261,234,191.75x = 972,875,372,640,870,400
  5. Step 5: Solve for x
    x = 972,875,372,640,870,400/1,261,234,191.75
  6. Step 6: Final answer
    x = 771,367,743.60

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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.