Home / 245,521,088,316.88-338,815,496,041.82-137,135,767,326.02

Finding the Fourth Proportional to 245,521,088,316.88, 338,815,496,041.82 and 137,135,767,326.02

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Solution

The fourth proportional to 245,521,088,316.88, 338,815,496,041.82 and 137,135,767,326.02 is: 189,245,344,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,521,088,316.88 : 338,815,496,041.82 = 137,135,767,326.02 : x
  2. Step 2: Convert to fraction form
    245,521,088,316.88/338,815,496,041.82 = 137,135,767,326.02/x
  3. Step 3: Cross multiply
    245,521,088,316.88x = 338,815,496,041.82 × 137,135,767,326.02
  4. Step 4: Simplify right side
    245,521,088,316.88x = 46,463,723,031,641,079,152,640
  5. Step 5: Solve for x
    x = 46,463,723,031,641,079,152,640/245,521,088,316.88
  6. Step 6: Final answer
    x = 189,245,344,871.04

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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.