Home / 34,002,406,228.40-46,938,368,845.68-21,965,287,490.96

Finding the Fourth Proportional to 34,002,406,228.40, 46,938,368,845.68 and 21,965,287,490.96

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Solution

The fourth proportional to 34,002,406,228.40, 46,938,368,845.68 and 21,965,287,490.96 is: 30,321,817,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,002,406,228.40 : 46,938,368,845.68 = 21,965,287,490.96 : x
  2. Step 2: Convert to fraction form
    34,002,406,228.40/46,938,368,845.68 = 21,965,287,490.96/x
  3. Step 3: Cross multiply
    34,002,406,228.40x = 46,938,368,845.68 × 21,965,287,490.96
  4. Step 4: Simplify right side
    34,002,406,228.40x = 1,031,014,766,052,081,401,856
  5. Step 5: Solve for x
    x = 1,031,014,766,052,081,401,856/34,002,406,228.40
  6. Step 6: Final answer
    x = 30,321,817,789.21

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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.