Home / 1,249,229,714.87-1,724,122,033.61-790,981,855.03

Finding the Fourth Proportional to 1,249,229,714.87, 1,724,122,033.61 and 790,981,855.03

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Solution

The fourth proportional to 1,249,229,714.87, 1,724,122,033.61 and 790,981,855.03 is: 1,091,672,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,229,714.87 : 1,724,122,033.61 = 790,981,855.03 : x
  2. Step 2: Convert to fraction form
    1,249,229,714.87/1,724,122,033.61 = 790,981,855.03/x
  3. Step 3: Cross multiply
    1,249,229,714.87x = 1,724,122,033.61 × 790,981,855.03
  4. Step 4: Simplify right side
    1,249,229,714.87x = 1,363,749,244,438,978,816
  5. Step 5: Solve for x
    x = 1,363,749,244,438,978,816/1,249,229,714.87
  6. Step 6: Final answer
    x = 1,091,672,114.59

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Double scale
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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.