Home / 38,298,744,245.70-57,448,116,368.55-20,666,807,324.10

Finding the Fourth Proportional to 38,298,744,245.70, 57,448,116,368.55 and 20,666,807,324.10

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Solution

The fourth proportional to 38,298,744,245.70, 57,448,116,368.55 and 20,666,807,324.10 is: 31,000,210,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298,744,245.70 : 57,448,116,368.55 = 20,666,807,324.10 : x
  2. Step 2: Convert to fraction form
    38,298,744,245.70/57,448,116,368.55 = 20,666,807,324.10/x
  3. Step 3: Cross multiply
    38,298,744,245.70x = 57,448,116,368.55 × 20,666,807,324.10
  4. Step 4: Simplify right side
    38,298,744,245.70x = 1,187,269,152,121,298,092,032
  5. Step 5: Solve for x
    x = 1,187,269,152,121,298,092,032/38,298,744,245.70
  6. Step 6: Final answer
    x = 31,000,210,986.15

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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.