Home / 1,348,057,345.40-2,022,086,018.10-657,609,198.20

Finding the Fourth Proportional to 1,348,057,345.40, 2,022,086,018.10 and 657,609,198.20

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Solution

The fourth proportional to 1,348,057,345.40, 2,022,086,018.10 and 657,609,198.20 is: 986,413,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,057,345.40 : 2,022,086,018.10 = 657,609,198.20 : x
  2. Step 2: Convert to fraction form
    1,348,057,345.40/2,022,086,018.10 = 657,609,198.20/x
  3. Step 3: Cross multiply
    1,348,057,345.40x = 2,022,086,018.10 × 657,609,198.20
  4. Step 4: Simplify right side
    1,348,057,345.40x = 1,329,742,365,054,171,648
  5. Step 5: Solve for x
    x = 1,329,742,365,054,171,648/1,348,057,345.40
  6. Step 6: Final answer
    x = 986,413,797.30

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Double scale
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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.