Home / 1,263,251,422.26-1,743,169,973.15-698,724,153.73

Finding the Fourth Proportional to 1,263,251,422.26, 1,743,169,973.15 and 698,724,153.73

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Solution

The fourth proportional to 1,263,251,422.26, 1,743,169,973.15 and 698,724,153.73 is: 964,174,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,251,422.26 : 1,743,169,973.15 = 698,724,153.73 : x
  2. Step 2: Convert to fraction form
    1,263,251,422.26/1,743,169,973.15 = 698,724,153.73/x
  3. Step 3: Cross multiply
    1,263,251,422.26x = 1,743,169,973.15 × 698,724,153.73
  4. Step 4: Simplify right side
    1,263,251,422.26x = 1,217,994,964,296,780,800
  5. Step 5: Solve for x
    x = 1,217,994,964,296,780,800/1,263,251,422.26
  6. Step 6: Final answer
    x = 964,174,623.38

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Double scale
Find fourth proportional to 1,263,251,423.26, 1,743,169,974.53 and 698,724,154.73
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.