Home / 245,521,088,544.82-338,815,496,357.10-137,135,767,554.64

Finding the Fourth Proportional to 245,521,088,544.82, 338,815,496,357.10 and 137,135,767,554.64

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Solution

The fourth proportional to 245,521,088,544.82, 338,815,496,357.10 and 137,135,767,554.64 is: 189,245,345,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,521,088,544.82 : 338,815,496,357.10 = 137,135,767,554.64 : x
  2. Step 2: Convert to fraction form
    245,521,088,544.82/338,815,496,357.10 = 137,135,767,554.64/x
  3. Step 3: Cross multiply
    245,521,088,544.82x = 338,815,496,357.10 × 137,135,767,554.64
  4. Step 4: Simplify right side
    245,521,088,544.82x = 46,463,723,152,337,235,083,264
  5. Step 5: Solve for x
    x = 46,463,723,152,337,235,083,264/245,521,088,544.82
  6. Step 6: Final answer
    x = 189,245,345,186.94

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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.