Home / 20,160,859,643.05-30,241,289,464.58-13,957,029,985.45

Finding the Fourth Proportional to 20,160,859,643.05, 30,241,289,464.58 and 13,957,029,985.45

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Solution

The fourth proportional to 20,160,859,643.05, 30,241,289,464.58 and 13,957,029,985.45 is: 20,935,544,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,859,643.05 : 30,241,289,464.58 = 13,957,029,985.45 : x
  2. Step 2: Convert to fraction form
    20,160,859,643.05/30,241,289,464.58 = 13,957,029,985.45/x
  3. Step 3: Cross multiply
    20,160,859,643.05x = 30,241,289,464.58 × 13,957,029,985.45
  4. Step 4: Simplify right side
    20,160,859,643.05x = 422,078,583,855,746,514,944
  5. Step 5: Solve for x
    x = 422,078,583,855,746,514,944/20,160,859,643.05
  6. Step 6: Final answer
    x = 20,935,544,978.18

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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.