Home / 1,345,486,690.35-2,018,230,035.53-982,689,634.35

Finding the Fourth Proportional to 1,345,486,690.35, 2,018,230,035.53 and 982,689,634.35

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Solution

The fourth proportional to 1,345,486,690.35, 2,018,230,035.53 and 982,689,634.35 is: 1,474,034,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,486,690.35 : 2,018,230,035.53 = 982,689,634.35 : x
  2. Step 2: Convert to fraction form
    1,345,486,690.35/2,018,230,035.53 = 982,689,634.35/x
  3. Step 3: Cross multiply
    1,345,486,690.35x = 2,018,230,035.53 × 982,689,634.35
  4. Step 4: Simplify right side
    1,345,486,690.35x = 1,983,293,735,644,249,856
  5. Step 5: Solve for x
    x = 1,983,293,735,644,249,856/1,345,486,690.35
  6. Step 6: Final answer
    x = 1,474,034,451.53

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Double scale
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Similar ratio
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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.