Home / 1,295,116,979.62-1,787,266,816.69-700,401,463.96

Finding the Fourth Proportional to 1,295,116,979.62, 1,787,266,816.69 and 700,401,463.96

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Solution

The fourth proportional to 1,295,116,979.62, 1,787,266,816.69 and 700,401,463.96 is: 966,556,932.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,116,979.62 : 1,787,266,816.69 = 700,401,463.96 : x
  2. Step 2: Convert to fraction form
    1,295,116,979.62/1,787,266,816.69 = 700,401,463.96/x
  3. Step 3: Cross multiply
    1,295,116,979.62x = 1,787,266,816.69 × 700,401,463.96
  4. Step 4: Simplify right side
    1,295,116,979.62x = 1,251,804,294,896,805,120
  5. Step 5: Solve for x
    x = 1,251,804,294,896,805,120/1,295,116,979.62
  6. Step 6: Final answer
    x = 966,556,932.38

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Half scale
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Double scale
Find fourth proportional to 1,295,116,980.62, 1,787,266,818.07 and 700,401,464.96
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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.