Home / 38,298,744,218.70-57,448,116,328.05-20,666,807,297.10

Finding the Fourth Proportional to 38,298,744,218.70, 57,448,116,328.05 and 20,666,807,297.10

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Solution

The fourth proportional to 38,298,744,218.70, 57,448,116,328.05 and 20,666,807,297.10 is: 31,000,210,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298,744,218.70 : 57,448,116,328.05 = 20,666,807,297.10 : x
  2. Step 2: Convert to fraction form
    38,298,744,218.70/57,448,116,328.05 = 20,666,807,297.10/x
  3. Step 3: Cross multiply
    38,298,744,218.70x = 57,448,116,328.05 × 20,666,807,297.10
  4. Step 4: Simplify right side
    38,298,744,218.70x = 1,187,269,149,733,193,252,864
  5. Step 5: Solve for x
    x = 1,187,269,149,733,193,252,864/38,298,744,218.70
  6. Step 6: Final answer
    x = 31,000,210,945.65

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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.