Home / 1,008,840,653.70-1,514,394,721.35-779,825,012.10

Finding the Fourth Proportional to 1,008,840,653.70, 1,514,394,721.35 and 779,825,012.10

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Solution

The fourth proportional to 1,008,840,653.70, 1,514,394,721.35 and 779,825,012.10 is: 1,170,613,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,840,653.70 : 1,514,394,721.35 = 779,825,012.10 : x
  2. Step 2: Convert to fraction form
    1,008,840,653.70/1,514,394,721.35 = 779,825,012.10/x
  3. Step 3: Cross multiply
    1,008,840,653.70x = 1,514,394,721.35 × 779,825,012.10
  4. Step 4: Simplify right side
    1,008,840,653.70x = 1,180,962,881,900,939,776
  5. Step 5: Solve for x
    x = 1,180,962,881,900,939,776/1,008,840,653.70
  6. Step 6: Final answer
    x = 1,170,613,889.88

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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.