Home / 2,086,514,579.70-3,129,771,869.55-1,119,055,763.70

Finding the Fourth Proportional to 2,086,514,579.70, 3,129,771,869.55 and 1,119,055,763.70

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Solution

The fourth proportional to 2,086,514,579.70, 3,129,771,869.55 and 1,119,055,763.70 is: 1,678,583,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,514,579.70 : 3,129,771,869.55 = 1,119,055,763.70 : x
  2. Step 2: Convert to fraction form
    2,086,514,579.70/3,129,771,869.55 = 1,119,055,763.70/x
  3. Step 3: Cross multiply
    2,086,514,579.70x = 3,129,771,869.55 × 1,119,055,763.70
  4. Step 4: Simplify right side
    2,086,514,579.70x = 3,502,389,249,686,052,352
  5. Step 5: Solve for x
    x = 3,502,389,249,686,052,352/2,086,514,579.70
  6. Step 6: Final answer
    x = 1,678,583,645.55

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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.