Home / 3,646,229,015.85-5,029,019,832.57-3,138,455,948.28

Finding the Fourth Proportional to 3,646,229,015.85, 5,029,019,832.57 and 3,138,455,948.28

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Solution

The fourth proportional to 3,646,229,015.85, 5,029,019,832.57 and 3,138,455,948.28 is: 4,328,679,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646,229,015.85 : 5,029,019,832.57 = 3,138,455,948.28 : x
  2. Step 2: Convert to fraction form
    3,646,229,015.85/5,029,019,832.57 = 3,138,455,948.28/x
  3. Step 3: Cross multiply
    3,646,229,015.85x = 5,029,019,832.57 × 3,138,455,948.28
  4. Step 4: Simplify right side
    3,646,229,015.85x = 15,783,357,207,547,406,336
  5. Step 5: Solve for x
    x = 15,783,357,207,547,406,336/3,646,229,015.85
  6. Step 6: Final answer
    x = 4,328,679,613.63

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Double scale
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1.5x scale

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.