Home / 809,701,415.70-1,214,552,123.55-401,554,727.70

Finding the Fourth Proportional to 809,701,415.70, 1,214,552,123.55 and 401,554,727.70

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Solution

The fourth proportional to 809,701,415.70, 1,214,552,123.55 and 401,554,727.70 is: 602,332,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,701,415.70 : 1,214,552,123.55 = 401,554,727.70 : x
  2. Step 2: Convert to fraction form
    809,701,415.70/1,214,552,123.55 = 401,554,727.70/x
  3. Step 3: Cross multiply
    809,701,415.70x = 1,214,552,123.55 × 401,554,727.70
  4. Step 4: Simplify right side
    809,701,415.70x = 487,709,147,249,576,960
  5. Step 5: Solve for x
    x = 487,709,147,249,576,960/809,701,415.70
  6. Step 6: Final answer
    x = 602,332,091.55

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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.